213325515

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121553}}^1$

素因数の和:121580

約数の個数: 32

約数和(自身を含む): 408421440

約数和(自身を除く): 195095925

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 121553, 364659, 607765, 1093977, 1580189, 1823295, 3281931, 4740567, 5469885, 7900945, 14221701, 16409655, 23702835, 42665103, 71108505, 213325515]

約数ペア:

[(1, 213325515), (3, 71108505), (5, 42665103), (9, 23702835), (13, 16409655), (15, 14221701), (27, 7900945), (39, 5469885), (45, 4740567), (65, 3281931), (117, 1823295), (135, 1580189), (195, 1093977), (351, 607765), (585, 364659), (1755, 121553)]