81535545

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6637}}^1$

素因数の和:6671

約数の個数: 64

約数和(自身を含む): 178429440

約数和(自身を除く): 96893895

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1755, 2457, 4095, 6637, 12285, 19911, 33185, 46459, 59733, 86281, 99555, 139377, 179199, 232295, 258843, 298665, 418131, 431405, 603967, 696885, 776529, 895995, 1254393, 1294215, 1811901, 2090655, 2329587, 3019835, 3882645, 5435703, 6271965, 9059505, 11647935, 16307109, 27178515, 81535545]

約数ペア:

[(1, 81535545), (3, 27178515), (5, 16307109), (7, 11647935), (9, 9059505), (13, 6271965), (15, 5435703), (21, 3882645), (27, 3019835), (35, 2329587), (39, 2090655), (45, 1811901), (63, 1294215), (65, 1254393), (91, 895995), (105, 776529), (117, 696885), (135, 603967), (189, 431405), (195, 418131), (273, 298665), (315, 258843), (351, 232295), (455, 179199), (585, 139377), (819, 99555), (945, 86281), (1365, 59733), (1755, 46459), (2457, 33185), (4095, 19911), (6637, 12285)]