213089955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{5179}}^1$

素因数の和:5411

約数の個数: 32

約数和(自身を含む): 368981760

約数和(自身を除く): 155891805

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 211, 633, 1055, 2743, 3165, 5179, 8229, 13715, 15537, 25895, 41145, 67327, 77685, 201981, 336635, 1009905, 1092769, 3278307, 5463845, 14205997, 16391535, 42617991, 71029985, 213089955]

約数ペア:

[(1, 213089955), (3, 71029985), (5, 42617991), (13, 16391535), (15, 14205997), (39, 5463845), (65, 3278307), (195, 1092769), (211, 1009905), (633, 336635), (1055, 201981), (2743, 77685), (3165, 67327), (5179, 41145), (8229, 25895), (13715, 15537)]