15441615

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 32011200

約数和(自身を除く): 16569585

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 49, 63, 105, 141, 147, 149, 235, 245, 315, 329, 423, 441, 447, 705, 735, 745, 987, 1043, 1341, 1645, 2115, 2205, 2235, 2303, 2961, 3129, 4935, 5215, 6705, 6909, 7003, 7301, 9387, 11515, 14805, 15645, 20727, 21009, 21903, 34545, 35015, 36505, 46935, 49021, 63027, 65709, 103635, 105045, 109515, 147063, 245105, 315135, 328545, 343147, 441189, 735315, 1029441, 1715735, 2205945, 3088323, 5147205, 15441615]

約数ペア:

[(1, 15441615), (3, 5147205), (5, 3088323), (7, 2205945), (9, 1715735), (15, 1029441), (21, 735315), (35, 441189), (45, 343147), (47, 328545), (49, 315135), (63, 245105), (105, 147063), (141, 109515), (147, 105045), (149, 103635), (235, 65709), (245, 63027), (315, 49021), (329, 46935), (423, 36505), (441, 35015), (447, 34545), (705, 21903), (735, 21009), (745, 20727), (987, 15645), (1043, 14805), (1341, 11515), (1645, 9387), (2115, 7301), (2205, 7003), (2235, 6909), (2303, 6705), (2961, 5215), (3129, 4935)]