8127945

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 80

約数和(自身を含む): 17284608

約数和(自身を除く): 9156663

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 61, 63, 81, 105, 135, 141, 183, 189, 235, 305, 315, 329, 405, 423, 427, 549, 567, 705, 915, 945, 987, 1269, 1281, 1645, 1647, 2115, 2135, 2745, 2835, 2867, 2961, 3807, 3843, 4935, 4941, 6345, 6405, 8235, 8601, 8883, 11529, 14335, 14805, 19035, 19215, 20069, 24705, 25803, 26649, 34587, 43005, 44415, 57645, 60207, 77409, 100345, 129015, 133245, 172935, 180621, 232227, 301035, 387045, 541863, 903105, 1161135, 1625589, 2709315, 8127945]

約数ペア:

[(1, 8127945), (3, 2709315), (5, 1625589), (7, 1161135), (9, 903105), (15, 541863), (21, 387045), (27, 301035), (35, 232227), (45, 180621), (47, 172935), (61, 133245), (63, 129015), (81, 100345), (105, 77409), (135, 60207), (141, 57645), (183, 44415), (189, 43005), (235, 34587), (305, 26649), (315, 25803), (329, 24705), (405, 20069), (423, 19215), (427, 19035), (549, 14805), (567, 14335), (705, 11529), (915, 8883), (945, 8601), (987, 8235), (1269, 6405), (1281, 6345), (1645, 4941), (1647, 4935), (2115, 3843), (2135, 3807), (2745, 2961), (2835, 2867)]