12472215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 23639040

約数和(自身を除く): 11166825

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 105, 147, 213, 239, 245, 355, 497, 717, 735, 1065, 1195, 1491, 1673, 2485, 3479, 3585, 5019, 7455, 8365, 10437, 11711, 16969, 17395, 25095, 35133, 50907, 52185, 58555, 84845, 118783, 175665, 254535, 356349, 593915, 831481, 1781745, 2494443, 4157405, 12472215]

約数ペア:

[(1, 12472215), (3, 4157405), (5, 2494443), (7, 1781745), (15, 831481), (21, 593915), (35, 356349), (49, 254535), (71, 175665), (105, 118783), (147, 84845), (213, 58555), (239, 52185), (245, 50907), (355, 35133), (497, 25095), (717, 17395), (735, 16969), (1065, 11711), (1195, 10437), (1491, 8365), (1673, 7455), (2485, 5019), (3479, 3585)]