921405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 1607040

約数和(自身を除く): 685635

約数列:

[1, 3, 5, 15, 19, 53, 57, 61, 95, 159, 183, 265, 285, 305, 795, 915, 1007, 1159, 3021, 3233, 3477, 5035, 5795, 9699, 15105, 16165, 17385, 48495, 61427, 184281, 307135, 921405]

約数ペア:

[(1, 921405), (3, 307135), (5, 184281), (15, 61427), (19, 48495), (53, 17385), (57, 16165), (61, 15105), (95, 9699), (159, 5795), (183, 5035), (265, 3477), (285, 3233), (305, 3021), (795, 1159), (915, 1007)]