642356554425

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{66751}}^1\times {\mathrm{4139}}^1$

素因数の和:70934

約数の個数: 48

約数和(自身を含む): 1096569815040

約数和(自身を除く): 454213260615

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 4139, 12417, 20695, 62085, 66751, 103475, 128309, 200253, 310425, 333755, 384927, 641545, 1001265, 1668775, 1924635, 2069281, 3207725, 5006325, 6207843, 9623175, 10346405, 31039215, 51732025, 155196075, 276282389, 828847167, 1381411945, 4144235835, 6907059725, 8564754059, 20721179175, 25694262177, 42823770295, 128471310885, 214118851475, 642356554425]

約数ペア:

[(1, 642356554425), (3, 214118851475), (5, 128471310885), (15, 42823770295), (25, 25694262177), (31, 20721179175), (75, 8564754059), (93, 6907059725), (155, 4144235835), (465, 1381411945), (775, 828847167), (2325, 276282389), (4139, 155196075), (12417, 51732025), (20695, 31039215), (62085, 10346405), (66751, 9623175), (103475, 6207843), (128309, 5006325), (200253, 3207725), (310425, 2069281), (333755, 1924635), (384927, 1668775), (641545, 1001265)]