216970965

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{257}}^2$

素因数の和:598

約数の個数: 36

約数和(自身を含む): 382724004

約数和(自身を除く): 165753039

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 257, 365, 657, 771, 1095, 1285, 2313, 3285, 3855, 11565, 18761, 56283, 66049, 93805, 168849, 198147, 281415, 330245, 594441, 844245, 990735, 2972205, 4821577, 14464731, 24107885, 43394193, 72323655, 216970965]

約数ペア:

[(1, 216970965), (3, 72323655), (5, 43394193), (9, 24107885), (15, 14464731), (45, 4821577), (73, 2972205), (219, 990735), (257, 844245), (365, 594441), (657, 330245), (771, 281415), (1095, 198147), (1285, 168849), (2313, 93805), (3285, 66049), (3855, 56283), (11565, 18761)]