51620415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 110315520

約数和(自身を除く): 58695105

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 119, 121, 165, 187, 231, 239, 255, 357, 363, 385, 561, 595, 605, 717, 847, 935, 1155, 1195, 1309, 1673, 1785, 1815, 2057, 2541, 2629, 2805, 3585, 3927, 4063, 4235, 5019, 6171, 6545, 7887, 8365, 10285, 12189, 12705, 13145, 14399, 18403, 19635, 20315, 25095, 28441, 28919, 30855, 39435, 43197, 44693, 55209, 60945, 71995, 85323, 86757, 92015, 134079, 142205, 144595, 202433, 215985, 223465, 276045, 312851, 426615, 433785, 491623, 607299, 670395, 938553, 1012165, 1474869, 1564255, 2458115, 3036495, 3441361, 4692765, 7374345, 10324083, 17206805, 51620415]

約数ペア:

[(1, 51620415), (3, 17206805), (5, 10324083), (7, 7374345), (11, 4692765), (15, 3441361), (17, 3036495), (21, 2458115), (33, 1564255), (35, 1474869), (51, 1012165), (55, 938553), (77, 670395), (85, 607299), (105, 491623), (119, 433785), (121, 426615), (165, 312851), (187, 276045), (231, 223465), (239, 215985), (255, 202433), (357, 144595), (363, 142205), (385, 134079), (561, 92015), (595, 86757), (605, 85323), (717, 71995), (847, 60945), (935, 55209), (1155, 44693), (1195, 43197), (1309, 39435), (1673, 30855), (1785, 28919), (1815, 28441), (2057, 25095), (2541, 20315), (2629, 19635), (2805, 18403), (3585, 14399), (3927, 13145), (4063, 12705), (4235, 12189), (5019, 10285), (6171, 8365), (6545, 7887)]