30917775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 61067520

約数和(自身を除く): 30149745

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 49, 75, 105, 141, 147, 175, 179, 235, 245, 329, 525, 537, 705, 735, 895, 987, 1175, 1225, 1253, 1645, 2303, 2685, 3525, 3675, 3759, 4475, 4935, 6265, 6909, 8225, 8413, 8771, 11515, 13425, 18795, 24675, 25239, 26313, 31325, 34545, 42065, 43855, 57575, 58891, 93975, 126195, 131565, 172725, 176673, 210325, 219275, 294455, 412237, 630975, 657825, 883365, 1236711, 1472275, 2061185, 4416825, 6183555, 10305925, 30917775]

約数ペア:

[(1, 30917775), (3, 10305925), (5, 6183555), (7, 4416825), (15, 2061185), (21, 1472275), (25, 1236711), (35, 883365), (47, 657825), (49, 630975), (75, 412237), (105, 294455), (141, 219275), (147, 210325), (175, 176673), (179, 172725), (235, 131565), (245, 126195), (329, 93975), (525, 58891), (537, 57575), (705, 43855), (735, 42065), (895, 34545), (987, 31325), (1175, 26313), (1225, 25239), (1253, 24675), (1645, 18795), (2303, 13425), (2685, 11515), (3525, 8771), (3675, 8413), (3759, 8225), (4475, 6909), (4935, 6265)]