31685241

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 49766400

約数和(自身を除く): 18081159

約数列:

[1, 3, 7, 21, 71, 79, 213, 237, 269, 497, 553, 807, 1491, 1659, 1883, 5609, 5649, 16827, 19099, 21251, 39263, 57297, 63753, 117789, 133693, 148757, 401079, 446271, 1508821, 4526463, 10561747, 31685241]

約数ペア:

[(1, 31685241), (3, 10561747), (7, 4526463), (21, 1508821), (71, 446271), (79, 401079), (213, 148757), (237, 133693), (269, 117789), (497, 63753), (553, 57297), (807, 39263), (1491, 21251), (1659, 19099), (1883, 16827), (5609, 5649)]