218564385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{16729}}^1$

素因数の和:16817

約数の個数: 32

約数和(自身を含む): 382247040

約数和(自身を除く): 163682655

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 195, 201, 335, 871, 1005, 2613, 4355, 13065, 16729, 50187, 83645, 217477, 250935, 652431, 1087385, 1120843, 3262155, 3362529, 5604215, 14570959, 16812645, 43712877, 72854795, 218564385]

約数ペア:

[(1, 218564385), (3, 72854795), (5, 43712877), (13, 16812645), (15, 14570959), (39, 5604215), (65, 3362529), (67, 3262155), (195, 1120843), (201, 1087385), (335, 652431), (871, 250935), (1005, 217477), (2613, 83645), (4355, 50187), (13065, 16729)]