4213215

素因数分解:

$3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 40

約数和(自身を含む): 7701408

約数和(自身を除く): 3488193

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 101, 103, 135, 303, 309, 405, 505, 515, 909, 927, 1515, 1545, 2727, 2781, 4545, 4635, 8181, 8343, 10403, 13635, 13905, 31209, 40905, 41715, 52015, 93627, 156045, 280881, 468135, 842643, 1404405, 4213215]

約数ペア:

[(1, 4213215), (3, 1404405), (5, 842643), (9, 468135), (15, 280881), (27, 156045), (45, 93627), (81, 52015), (101, 41715), (103, 40905), (135, 31209), (303, 13905), (309, 13635), (405, 10403), (505, 8343), (515, 8181), (909, 4635), (927, 4545), (1515, 2781), (1545, 2727)]