66745575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1$

素因数の和:1249

約数の個数: 72

約数和(自身を含む): 135633680

約数和(自身を除く): 68888105

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 171, 195, 225, 247, 285, 325, 475, 585, 741, 855, 975, 1201, 1235, 1425, 2223, 2925, 3603, 3705, 4275, 6005, 6175, 10809, 11115, 15613, 18015, 18525, 22819, 30025, 46839, 54045, 55575, 68457, 78065, 90075, 114095, 140517, 205371, 234195, 270225, 296647, 342285, 390325, 570475, 702585, 889941, 1026855, 1170975, 1483235, 1711425, 2669823, 3512925, 4449705, 5134275, 7416175, 13349115, 22248525, 66745575]

約数ペア:

[(1, 66745575), (3, 22248525), (5, 13349115), (9, 7416175), (13, 5134275), (15, 4449705), (19, 3512925), (25, 2669823), (39, 1711425), (45, 1483235), (57, 1170975), (65, 1026855), (75, 889941), (95, 702585), (117, 570475), (171, 390325), (195, 342285), (225, 296647), (247, 270225), (285, 234195), (325, 205371), (475, 140517), (585, 114095), (741, 90075), (855, 78065), (975, 68457), (1201, 55575), (1235, 54045), (1425, 46839), (2223, 30025), (2925, 22819), (3603, 18525), (3705, 18015), (4275, 15613), (6005, 11115), (6175, 10809)]