258344499

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{2221}}^1$

素因数の和:2451

約数の個数: 32

約数和(自身を含む): 409559040

約数和(自身を除く): 151214541

約数列:

[1, 3, 7, 21, 29, 87, 191, 203, 573, 609, 1337, 2221, 4011, 5539, 6663, 15547, 16617, 38773, 46641, 64409, 116319, 193227, 424211, 450863, 1272633, 1352589, 2969477, 8908431, 12302119, 36906357, 86114833, 258344499]

約数ペア:

[(1, 258344499), (3, 86114833), (7, 36906357), (21, 12302119), (29, 8908431), (87, 2969477), (191, 1352589), (203, 1272633), (573, 450863), (609, 424211), (1337, 193227), (2221, 116319), (4011, 64409), (5539, 46641), (6663, 38773), (15547, 16617)]