64716645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1471}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 118702080

約数和(自身を除く): 53985435

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 419, 1257, 1471, 2095, 2933, 4413, 6285, 7355, 8799, 10297, 14665, 22065, 30891, 43995, 51485, 154455, 616349, 1849047, 3081745, 4314443, 9245235, 12943329, 21572215, 64716645]

約数ペア:

[(1, 64716645), (3, 21572215), (5, 12943329), (7, 9245235), (15, 4314443), (21, 3081745), (35, 1849047), (105, 616349), (419, 154455), (1257, 51485), (1471, 43995), (2095, 30891), (2933, 22065), (4413, 14665), (6285, 10297), (7355, 8799)]