71938215

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 128831040

約数和(自身を除く): 56892825

約数列:

[1, 3, 5, 9, 15, 45, 61, 73, 183, 219, 305, 359, 365, 549, 657, 915, 1077, 1095, 1795, 2745, 3231, 3285, 4453, 5385, 13359, 16155, 21899, 22265, 26207, 40077, 65697, 66795, 78621, 109495, 131035, 197091, 200385, 235863, 328485, 393105, 985455, 1179315, 1598627, 4795881, 7993135, 14387643, 23979405, 71938215]

約数ペア:

[(1, 71938215), (3, 23979405), (5, 14387643), (9, 7993135), (15, 4795881), (45, 1598627), (61, 1179315), (73, 985455), (183, 393105), (219, 328485), (305, 235863), (359, 200385), (365, 197091), (549, 131035), (657, 109495), (915, 78621), (1077, 66795), (1095, 65697), (1795, 40077), (2745, 26207), (3231, 22265), (3285, 21899), (4453, 16155), (5385, 13359)]