81389124

素因数分解:

$2^2\times 3^4\times {\mathrm{251201}}^1$

素因数の和:251217

約数の個数: 30

約数和(自身を含む): 212768094

約数和(自身を除く): 131378970

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 251201, 502402, 753603, 1004804, 1507206, 2260809, 3014412, 4521618, 6782427, 9043236, 13564854, 20347281, 27129708, 40694562, 81389124]

約数ペア:

[(1, 81389124), (2, 40694562), (3, 27129708), (4, 20347281), (6, 13564854), (9, 9043236), (12, 6782427), (18, 4521618), (27, 3014412), (36, 2260809), (54, 1507206), (81, 1004804), (108, 753603), (162, 502402), (324, 251201)]