64450905

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{647}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 107308800

約数和(自身を除く): 42857895

約数列:

[1, 3, 5, 15, 29, 87, 145, 229, 435, 647, 687, 1145, 1941, 3235, 3435, 6641, 9705, 18763, 19923, 33205, 56289, 93815, 99615, 148163, 281445, 444489, 740815, 2222445, 4296727, 12890181, 21483635, 64450905]

約数ペア:

[(1, 64450905), (3, 21483635), (5, 12890181), (15, 4296727), (29, 2222445), (87, 740815), (145, 444489), (229, 281445), (435, 148163), (647, 99615), (687, 93815), (1145, 56289), (1941, 33205), (3235, 19923), (3435, 18763), (6641, 9705)]