13030515

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 23677056

約数和(自身を除く): 10646541

約数列:

[1, 3, 5, 9, 15, 45, 47, 61, 101, 141, 183, 235, 303, 305, 423, 505, 549, 705, 909, 915, 1515, 2115, 2745, 2867, 4545, 4747, 6161, 8601, 14241, 14335, 18483, 23735, 25803, 30805, 42723, 43005, 55449, 71205, 92415, 129015, 213615, 277245, 289567, 868701, 1447835, 2606103, 4343505, 13030515]

約数ペア:

[(1, 13030515), (3, 4343505), (5, 2606103), (9, 1447835), (15, 868701), (45, 289567), (47, 277245), (61, 213615), (101, 129015), (141, 92415), (183, 71205), (235, 55449), (303, 43005), (305, 42723), (423, 30805), (505, 25803), (549, 23735), (705, 18483), (909, 14335), (915, 14241), (1515, 8601), (2115, 6161), (2745, 4747), (2867, 4545)]