258402015

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26959}}^1$

素因数の和:27044

約数の個数: 32

約数和(自身を含む): 465868800

約数和(自身を除く): 207466785

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 9585, 26959, 80877, 134795, 242631, 404385, 727893, 1213155, 1914089, 3639465, 5742267, 9570445, 17226801, 28711335, 51680403, 86134005, 258402015]

約数ペア:

[(1, 258402015), (3, 86134005), (5, 51680403), (9, 28711335), (15, 17226801), (27, 9570445), (45, 5742267), (71, 3639465), (135, 1914089), (213, 1213155), (355, 727893), (639, 404385), (1065, 242631), (1917, 134795), (3195, 80877), (9585, 26959)]