72720609

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 108003840

約数和(自身を除く): 35283231

約数列:

[1, 3, 13, 39, 47, 97, 141, 291, 409, 611, 1227, 1261, 1833, 3783, 4559, 5317, 13677, 15951, 19223, 39673, 57669, 59267, 119019, 177801, 249899, 515749, 749697, 1547247, 1864631, 5593893, 24240203, 72720609]

約数ペア:

[(1, 72720609), (3, 24240203), (13, 5593893), (39, 1864631), (47, 1547247), (97, 749697), (141, 515749), (291, 249899), (409, 177801), (611, 119019), (1227, 59267), (1261, 57669), (1833, 39673), (3783, 19223), (4559, 15951), (5317, 13677)]