331350285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 620605440

約数和(自身を除く): 289255155

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 139, 219, 311, 365, 417, 511, 695, 933, 973, 1095, 1533, 1555, 2085, 2177, 2555, 2919, 4665, 4865, 6531, 7665, 10147, 10885, 14595, 22703, 30441, 32655, 43229, 50735, 68109, 71029, 113515, 129687, 152205, 158921, 213087, 216145, 302603, 340545, 355145, 476763, 648435, 794605, 907809, 1065435, 1513015, 2383815, 3155717, 4539045, 9467151, 15778585, 22090019, 47335755, 66270057, 110450095, 331350285]

約数ペア:

[(1, 331350285), (3, 110450095), (5, 66270057), (7, 47335755), (15, 22090019), (21, 15778585), (35, 9467151), (73, 4539045), (105, 3155717), (139, 2383815), (219, 1513015), (311, 1065435), (365, 907809), (417, 794605), (511, 648435), (695, 476763), (933, 355145), (973, 340545), (1095, 302603), (1533, 216145), (1555, 213087), (2085, 158921), (2177, 152205), (2555, 129687), (2919, 113515), (4665, 71029), (4865, 68109), (6531, 50735), (7665, 43229), (10147, 32655), (10885, 30441), (14595, 22703)]