247488747

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1993}}^1$

素因数の和:2131

約数の個数: 32

約数和(自身を含む): 372128256

約数和(自身を除く): 124639509

約数列:

[1, 3, 11, 33, 53, 71, 159, 213, 583, 781, 1749, 1993, 2343, 3763, 5979, 11289, 21923, 41393, 65769, 105629, 124179, 141503, 316887, 424509, 1161919, 1556533, 3485757, 4669599, 7499659, 22498977, 82496249, 247488747]

約数ペア:

[(1, 247488747), (3, 82496249), (11, 22498977), (33, 7499659), (53, 4669599), (71, 3485757), (159, 1556533), (213, 1161919), (583, 424509), (781, 316887), (1749, 141503), (1993, 124179), (2343, 105629), (3763, 65769), (5979, 41393), (11289, 21923)]