68147325

素因数分解:

$3^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:556

約数の個数: 60

約数和(自身を含む): 128239188

約数和(自身を除く): 60091863

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 81, 135, 219, 225, 365, 405, 461, 657, 675, 1095, 1383, 1825, 1971, 2025, 2305, 3285, 4149, 5475, 5913, 6915, 9855, 11525, 12447, 16425, 20745, 29565, 33653, 34575, 37341, 49275, 62235, 100959, 103725, 147825, 168265, 186705, 302877, 311175, 504795, 841325, 908631, 933525, 1514385, 2523975, 2725893, 4543155, 7571925, 13629465, 22715775, 68147325]

約数ペア:

[(1, 68147325), (3, 22715775), (5, 13629465), (9, 7571925), (15, 4543155), (25, 2725893), (27, 2523975), (45, 1514385), (73, 933525), (75, 908631), (81, 841325), (135, 504795), (219, 311175), (225, 302877), (365, 186705), (405, 168265), (461, 147825), (657, 103725), (675, 100959), (1095, 62235), (1383, 49275), (1825, 37341), (1971, 34575), (2025, 33653), (2305, 29565), (3285, 20745), (4149, 16425), (5475, 12447), (5913, 11525), (6915, 9855)]