81679455

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4231}}^1$

素因数の和:4269

約数の個数: 64

約数和(自身を含む): 170634240

約数和(自身を除く): 88954785

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 117, 135, 143, 165, 195, 297, 351, 429, 495, 585, 715, 1287, 1485, 1755, 2145, 3861, 4231, 6435, 12693, 19305, 21155, 38079, 46541, 55003, 63465, 114237, 139623, 165009, 190395, 232705, 275015, 418869, 495027, 571185, 605033, 698115, 825045, 1256607, 1485081, 1815099, 2094345, 2475135, 3025165, 5445297, 6283035, 7425405, 9075495, 16335891, 27226485, 81679455]

約数ペア:

[(1, 81679455), (3, 27226485), (5, 16335891), (9, 9075495), (11, 7425405), (13, 6283035), (15, 5445297), (27, 3025165), (33, 2475135), (39, 2094345), (45, 1815099), (55, 1485081), (65, 1256607), (99, 825045), (117, 698115), (135, 605033), (143, 571185), (165, 495027), (195, 418869), (297, 275015), (351, 232705), (429, 190395), (495, 165009), (585, 139623), (715, 114237), (1287, 63465), (1485, 55003), (1755, 46541), (2145, 38079), (3861, 21155), (4231, 19305), (6435, 12693)]