28516215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1607}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 56498688

約数和(自身を除く): 27982473

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 169, 195, 273, 455, 507, 845, 1183, 1365, 1607, 2535, 3549, 4821, 5915, 8035, 11249, 17745, 20891, 24105, 33747, 56245, 62673, 104455, 146237, 168735, 271583, 313365, 438711, 731185, 814749, 1357915, 1901081, 2193555, 4073745, 5703243, 9505405, 28516215]

約数ペア:

[(1, 28516215), (3, 9505405), (5, 5703243), (7, 4073745), (13, 2193555), (15, 1901081), (21, 1357915), (35, 814749), (39, 731185), (65, 438711), (91, 313365), (105, 271583), (169, 168735), (195, 146237), (273, 104455), (455, 62673), (507, 56245), (845, 33747), (1183, 24105), (1365, 20891), (1607, 17745), (2535, 11249), (3549, 8035), (4821, 5915)]