557392479

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{1249}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 864000000

約数和(自身を除く): 306607521

約数列:

[1, 3, 7, 21, 79, 237, 269, 553, 807, 1249, 1659, 1883, 3747, 5649, 8743, 21251, 26229, 63753, 98671, 148757, 296013, 335981, 446271, 690697, 1007943, 2072091, 2351867, 7055601, 26542499, 79627497, 185797493, 557392479]

約数ペア:

[(1, 557392479), (3, 185797493), (7, 79627497), (21, 26542499), (79, 7055601), (237, 2351867), (269, 2072091), (553, 1007943), (807, 690697), (1249, 446271), (1659, 335981), (1883, 296013), (3747, 148757), (5649, 98671), (8743, 63753), (21251, 26229)]