2619345

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 4460544

約数和(自身を除く): 1841199

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 131, 155, 215, 393, 465, 645, 655, 1333, 1965, 3999, 4061, 5633, 6665, 12183, 16899, 19995, 20305, 28165, 60915, 84495, 174623, 523869, 873115, 2619345]

約数ペア:

[(1, 2619345), (3, 873115), (5, 523869), (15, 174623), (31, 84495), (43, 60915), (93, 28165), (129, 20305), (131, 19995), (155, 16899), (215, 12183), (393, 6665), (465, 5633), (645, 4061), (655, 3999), (1333, 1965)]