9138915

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 16848000

約数和(自身を除く): 7709085

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 149, 235, 261, 423, 435, 447, 705, 745, 1305, 1341, 1363, 2115, 2235, 4089, 4321, 6705, 6815, 7003, 12267, 12963, 20445, 21009, 21605, 35015, 38889, 61335, 63027, 64815, 105045, 194445, 203087, 315135, 609261, 1015435, 1827783, 3046305, 9138915]

約数ペア:

[(1, 9138915), (3, 3046305), (5, 1827783), (9, 1015435), (15, 609261), (29, 315135), (45, 203087), (47, 194445), (87, 105045), (141, 64815), (145, 63027), (149, 61335), (235, 38889), (261, 35015), (423, 21605), (435, 21009), (447, 20445), (705, 12963), (745, 12267), (1305, 7003), (1341, 6815), (1363, 6705), (2115, 4321), (2235, 4089)]