321521187

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{2539}}^1$

素因数の和:2763

約数の個数: 32

約数和(自身を含む): 491581440

約数和(自身を除く): 170060253

約数列:

[1, 3, 13, 17, 39, 51, 191, 221, 573, 663, 2483, 2539, 3247, 7449, 7617, 9741, 33007, 42211, 43163, 99021, 126633, 129489, 484949, 561119, 1454847, 1683357, 6304337, 8244133, 18913011, 24732399, 107173729, 321521187]

約数ペア:

[(1, 321521187), (3, 107173729), (13, 24732399), (17, 18913011), (39, 8244133), (51, 6304337), (191, 1683357), (221, 1454847), (573, 561119), (663, 484949), (2483, 129489), (2539, 126633), (3247, 99021), (7449, 43163), (7617, 42211), (9741, 33007)]