68571825

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 135027072

約数和(自身を除く): 66455247

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 49, 75, 105, 141, 147, 175, 235, 245, 329, 397, 525, 705, 735, 987, 1175, 1191, 1225, 1645, 1985, 2303, 2779, 3525, 3675, 4935, 5955, 6909, 8225, 8337, 9925, 11515, 13895, 18659, 19453, 24675, 29775, 34545, 41685, 55977, 57575, 58359, 69475, 93295, 97265, 130613, 172725, 208425, 279885, 291795, 391839, 466475, 486325, 653065, 914291, 1399425, 1458975, 1959195, 2742873, 3265325, 4571455, 9795975, 13714365, 22857275, 68571825]

約数ペア:

[(1, 68571825), (3, 22857275), (5, 13714365), (7, 9795975), (15, 4571455), (21, 3265325), (25, 2742873), (35, 1959195), (47, 1458975), (49, 1399425), (75, 914291), (105, 653065), (141, 486325), (147, 466475), (175, 391839), (235, 291795), (245, 279885), (329, 208425), (397, 172725), (525, 130613), (705, 97265), (735, 93295), (987, 69475), (1175, 58359), (1191, 57575), (1225, 55977), (1645, 41685), (1985, 34545), (2303, 29775), (2779, 24675), (3525, 19453), (3675, 18659), (4935, 13895), (5955, 11515), (6909, 9925), (8225, 8337)]