64809765

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 115555440

約数和(自身を除く): 50745675

約数列:

[1, 3, 5, 9, 15, 45, 73, 109, 181, 219, 327, 365, 543, 545, 657, 905, 981, 1095, 1629, 1635, 2715, 3285, 4905, 7957, 8145, 13213, 19729, 23871, 39639, 39785, 59187, 66065, 71613, 98645, 118917, 119355, 177561, 198195, 295935, 358065, 594585, 887805, 1440217, 4320651, 7201085, 12961953, 21603255, 64809765]

約数ペア:

[(1, 64809765), (3, 21603255), (5, 12961953), (9, 7201085), (15, 4320651), (45, 1440217), (73, 887805), (109, 594585), (181, 358065), (219, 295935), (327, 198195), (365, 177561), (543, 119355), (545, 118917), (657, 98645), (905, 71613), (981, 66065), (1095, 59187), (1629, 39785), (1635, 39639), (2715, 23871), (3285, 19729), (4905, 13213), (7957, 8145)]