420173619

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 601708800

約数和(自身を除く): 181535181

約数列:

[1, 3, 19, 57, 73, 219, 241, 419, 723, 1257, 1387, 4161, 4579, 7961, 13737, 17593, 23883, 30587, 52779, 91761, 100979, 302937, 334267, 581153, 1002801, 1743459, 1918601, 5755803, 7371467, 22114401, 140057873, 420173619]

約数ペア:

[(1, 420173619), (3, 140057873), (19, 22114401), (57, 7371467), (73, 5755803), (219, 1918601), (241, 1743459), (419, 1002801), (723, 581153), (1257, 334267), (1387, 302937), (4161, 100979), (4579, 91761), (7961, 52779), (13737, 30587), (17593, 23883)]