51919425

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 98412600

約数和(自身を除く): 46493175

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 73, 75, 87, 109, 145, 219, 225, 261, 327, 365, 435, 545, 657, 725, 981, 1095, 1305, 1635, 1825, 2117, 2175, 2725, 3161, 3285, 4905, 5475, 6351, 6525, 7957, 8175, 9483, 10585, 15805, 16425, 19053, 23871, 24525, 28449, 31755, 39785, 47415, 52925, 71613, 79025, 95265, 119355, 142245, 158775, 198925, 230753, 237075, 358065, 476325, 596775, 692259, 711225, 1153765, 1790325, 2076777, 3461295, 5768825, 10383885, 17306475, 51919425]

約数ペア:

[(1, 51919425), (3, 17306475), (5, 10383885), (9, 5768825), (15, 3461295), (25, 2076777), (29, 1790325), (45, 1153765), (73, 711225), (75, 692259), (87, 596775), (109, 476325), (145, 358065), (219, 237075), (225, 230753), (261, 198925), (327, 158775), (365, 142245), (435, 119355), (545, 95265), (657, 79025), (725, 71613), (981, 52925), (1095, 47415), (1305, 39785), (1635, 31755), (1825, 28449), (2117, 24525), (2175, 23871), (2725, 19053), (3161, 16425), (3285, 15805), (4905, 10585), (5475, 9483), (6351, 8175), (6525, 7957)]