31863285

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 27104715

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 83, 95, 171, 249, 285, 415, 449, 747, 855, 1245, 1347, 1577, 2245, 3735, 4041, 4731, 6735, 7885, 8531, 14193, 20205, 23655, 25593, 37267, 42655, 70965, 76779, 111801, 127965, 186335, 335403, 383895, 559005, 708073, 1677015, 2124219, 3540365, 6372657, 10621095, 31863285]

約数ペア:

[(1, 31863285), (3, 10621095), (5, 6372657), (9, 3540365), (15, 2124219), (19, 1677015), (45, 708073), (57, 559005), (83, 383895), (95, 335403), (171, 186335), (249, 127965), (285, 111801), (415, 76779), (449, 70965), (747, 42655), (855, 37267), (1245, 25593), (1347, 23655), (1577, 20205), (2245, 14193), (3735, 8531), (4041, 7885), (4731, 6735)]