217871331

素因数分解:

$3^1\times {\mathrm{193}}^1\times {\mathrm{571}}^1\times {\mathrm{659}}^1$

素因数の和:1426

約数の個数: 16

約数和(自身を含む): 292955520

約数和(自身を除く): 75084189

約数列:

[1, 3, 193, 571, 579, 659, 1713, 1977, 110203, 127187, 330609, 376289, 381561, 1128867, 72623777, 217871331]

約数ペア:

[(1, 217871331), (3, 72623777), (193, 1128867), (571, 381561), (579, 376289), (659, 330609), (1713, 127187), (1977, 110203)]