71245155

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 122895360

約数和(自身を除く): 51650205

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 223, 285, 295, 361, 669, 885, 1083, 1115, 1121, 1805, 3345, 3363, 4237, 5415, 5605, 12711, 13157, 16815, 21185, 21299, 39471, 63555, 63897, 65785, 80503, 106495, 197355, 241509, 249983, 319485, 402515, 749949, 1207545, 1249915, 3749745, 4749677, 14249031, 23748385, 71245155]

約数ペア:

[(1, 71245155), (3, 23748385), (5, 14249031), (15, 4749677), (19, 3749745), (57, 1249915), (59, 1207545), (95, 749949), (177, 402515), (223, 319485), (285, 249983), (295, 241509), (361, 197355), (669, 106495), (885, 80503), (1083, 65785), (1115, 63897), (1121, 63555), (1805, 39471), (3345, 21299), (3363, 21185), (4237, 16815), (5415, 13157), (5605, 12711)]