247975365

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{953}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 461583360

約数和(自身を除く): 213607995

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 83, 95, 165, 209, 249, 285, 415, 627, 913, 953, 1045, 1245, 1577, 2739, 2859, 3135, 4565, 4731, 4765, 7885, 10483, 13695, 14295, 17347, 18107, 23655, 31449, 52041, 52415, 54321, 79099, 86735, 90535, 157245, 199177, 237297, 260205, 271605, 395495, 597531, 870089, 995885, 1186485, 1502881, 2610267, 2987655, 4350445, 4508643, 7514405, 13051335, 16531691, 22543215, 49595073, 82658455, 247975365]

約数ペア:

[(1, 247975365), (3, 82658455), (5, 49595073), (11, 22543215), (15, 16531691), (19, 13051335), (33, 7514405), (55, 4508643), (57, 4350445), (83, 2987655), (95, 2610267), (165, 1502881), (209, 1186485), (249, 995885), (285, 870089), (415, 597531), (627, 395495), (913, 271605), (953, 260205), (1045, 237297), (1245, 199177), (1577, 157245), (2739, 90535), (2859, 86735), (3135, 79099), (4565, 54321), (4731, 52415), (4765, 52041), (7885, 31449), (10483, 23655), (13695, 18107), (14295, 17347)]