1218945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:94

約数の個数: 64

約数和(自身を含む): 2580480

約数和(自身を除く): 1361535

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 47, 57, 65, 91, 95, 105, 133, 141, 195, 235, 247, 273, 285, 329, 399, 455, 611, 665, 705, 741, 893, 987, 1235, 1365, 1645, 1729, 1833, 1995, 2679, 3055, 3705, 4277, 4465, 4935, 5187, 6251, 8645, 9165, 11609, 12831, 13395, 18753, 21385, 25935, 31255, 34827, 58045, 64155, 81263, 93765, 174135, 243789, 406315, 1218945]

約数ペア:

[(1, 1218945), (3, 406315), (5, 243789), (7, 174135), (13, 93765), (15, 81263), (19, 64155), (21, 58045), (35, 34827), (39, 31255), (47, 25935), (57, 21385), (65, 18753), (91, 13395), (95, 12831), (105, 11609), (133, 9165), (141, 8645), (195, 6251), (235, 5187), (247, 4935), (273, 4465), (285, 4277), (329, 3705), (399, 3055), (455, 2679), (611, 1995), (665, 1833), (705, 1729), (741, 1645), (893, 1365), (987, 1235)]