55498905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:332

約数の個数: 128

約数和(自身を含む): 129945600

約数和(自身を除く): 74446695

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 27, 33, 35, 45, 55, 57, 63, 77, 95, 99, 105, 133, 135, 165, 171, 189, 209, 231, 281, 285, 297, 315, 385, 399, 495, 513, 627, 665, 693, 843, 855, 945, 1045, 1155, 1197, 1405, 1463, 1485, 1881, 1967, 1995, 2079, 2529, 2565, 3091, 3135, 3465, 3591, 4215, 4389, 5339, 5643, 5901, 5985, 7315, 7587, 9273, 9405, 9835, 10395, 12645, 13167, 15455, 16017, 17703, 17955, 21637, 21945, 26695, 27819, 28215, 29505, 37373, 37935, 39501, 46365, 48051, 53109, 58729, 64911, 65835, 80085, 83457, 88515, 108185, 112119, 139095, 144153, 176187, 186865, 194733, 197505, 240255, 265545, 293645, 324555, 336357, 411103, 417285, 528561, 560595, 584199, 720765, 880935, 973665, 1009071, 1233309, 1585683, 1681785, 2055515, 2642805, 2920995, 3699927, 5045355, 6166545, 7928415, 11099781, 18499635, 55498905]

約数ペア:

[(1, 55498905), (3, 18499635), (5, 11099781), (7, 7928415), (9, 6166545), (11, 5045355), (15, 3699927), (19, 2920995), (21, 2642805), (27, 2055515), (33, 1681785), (35, 1585683), (45, 1233309), (55, 1009071), (57, 973665), (63, 880935), (77, 720765), (95, 584199), (99, 560595), (105, 528561), (133, 417285), (135, 411103), (165, 336357), (171, 324555), (189, 293645), (209, 265545), (231, 240255), (281, 197505), (285, 194733), (297, 186865), (315, 176187), (385, 144153), (399, 139095), (495, 112119), (513, 108185), (627, 88515), (665, 83457), (693, 80085), (843, 65835), (855, 64911), (945, 58729), (1045, 53109), (1155, 48051), (1197, 46365), (1405, 39501), (1463, 37935), (1485, 37373), (1881, 29505), (1967, 28215), (1995, 27819), (2079, 26695), (2529, 21945), (2565, 21637), (3091, 17955), (3135, 17703), (3465, 16017), (3591, 15455), (4215, 13167), (4389, 12645), (5339, 10395), (5643, 9835), (5901, 9405), (5985, 9273), (7315, 7587)]