81246825

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1931}}^1$

素因数の和:1975

約数の個数: 72

約数和(自身を含む): 168176736

約数和(自身を除く): 86929911

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 75, 85, 99, 153, 165, 187, 225, 255, 275, 425, 495, 561, 765, 825, 935, 1275, 1683, 1931, 2475, 2805, 3825, 4675, 5793, 8415, 9655, 14025, 17379, 21241, 28965, 32827, 42075, 48275, 63723, 86895, 98481, 106205, 144825, 164135, 191169, 295443, 318615, 361097, 434475, 492405, 531025, 820675, 955845, 1083291, 1477215, 1593075, 1805485, 2462025, 3249873, 4779225, 5416455, 7386075, 9027425, 16249365, 27082275, 81246825]

約数ペア:

[(1, 81246825), (3, 27082275), (5, 16249365), (9, 9027425), (11, 7386075), (15, 5416455), (17, 4779225), (25, 3249873), (33, 2462025), (45, 1805485), (51, 1593075), (55, 1477215), (75, 1083291), (85, 955845), (99, 820675), (153, 531025), (165, 492405), (187, 434475), (225, 361097), (255, 318615), (275, 295443), (425, 191169), (495, 164135), (561, 144825), (765, 106205), (825, 98481), (935, 86895), (1275, 63723), (1683, 48275), (1931, 42075), (2475, 32827), (2805, 28965), (3825, 21241), (4675, 17379), (5793, 14025), (8415, 9655)]