64921725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1543}}^1$

素因数の和:1587

約数の個数: 72

約数和(自身を含む): 134402112

約数和(自身を除く): 69480387

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, 1543, 1683, 2475, 2805, 3825, 4629, 4675, 7715, 8415, 13887, 14025, 16973, 23145, 26231, 38575, 42075, 50919, 69435, 78693, 84865, 115725, 131155, 152757, 236079, 254595, 288541, 347175, 393465, 424325, 655775, 763785, 865623, 1180395, 1272975, 1442705, 1967325, 2596869, 3818925, 4328115, 5901975, 7213525, 12984345, 21640575, 64921725]

約数ペア:

[(1, 64921725), (3, 21640575), (5, 12984345), (9, 7213525), (11, 5901975), (15, 4328115), (17, 3818925), (25, 2596869), (33, 1967325), (45, 1442705), (51, 1272975), (55, 1180395), (75, 865623), (85, 763785), (99, 655775), (153, 424325), (165, 393465), (187, 347175), (225, 288541), (255, 254595), (275, 236079), (425, 152757), (495, 131155), (561, 115725), (765, 84865), (825, 78693), (935, 69435), (1275, 50919), (1543, 42075), (1683, 38575), (2475, 26231), (2805, 23145), (3825, 16973), (4629, 14025), (4675, 13887), (7715, 8415)]