201984975

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6959}}^1$

素因数の和:7021

約数の個数: 48

約数和(自身を含む): 379737600

約数和(自身を除く): 177752625

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1075, 1161, 1935, 3225, 5805, 6959, 9675, 20877, 29025, 34795, 62631, 104385, 173975, 187893, 299237, 313155, 521925, 897711, 939465, 1496185, 1565775, 2693133, 4488555, 4697325, 7480925, 8079399, 13465665, 22442775, 40396995, 67328325, 201984975]

約数ペア:

[(1, 201984975), (3, 67328325), (5, 40396995), (9, 22442775), (15, 13465665), (25, 8079399), (27, 7480925), (43, 4697325), (45, 4488555), (75, 2693133), (129, 1565775), (135, 1496185), (215, 939465), (225, 897711), (387, 521925), (645, 313155), (675, 299237), (1075, 187893), (1161, 173975), (1935, 104385), (3225, 62631), (5805, 34795), (6959, 29025), (9675, 20877)]