210826815

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{3461}}^1$

素因数の和:3631

約数の個数: 32

約数和(自身を含む): 350963712

約数和(自身を除く): 140136897

約数列:

[1, 3, 5, 15, 31, 93, 131, 155, 393, 465, 655, 1965, 3461, 4061, 10383, 12183, 17305, 20305, 51915, 60915, 107291, 321873, 453391, 536455, 1360173, 1609365, 2266955, 6800865, 14055121, 42165363, 70275605, 210826815]

約数ペア:

[(1, 210826815), (3, 70275605), (5, 42165363), (15, 14055121), (31, 6800865), (93, 2266955), (131, 1609365), (155, 1360173), (393, 536455), (465, 453391), (655, 321873), (1965, 107291), (3461, 60915), (4061, 51915), (10383, 20305), (12183, 17305)]