64778895

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49639}}^1$

素因数の和:49679

約数の個数: 24

約数和(自身を含む): 116157600

約数和(自身を除く): 51378705

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 49639, 148917, 248195, 446751, 744585, 1439531, 2233755, 4318593, 7197655, 12955779, 21592965, 64778895]

約数ペア:

[(1, 64778895), (3, 21592965), (5, 12955779), (9, 7197655), (15, 4318593), (29, 2233755), (45, 1439531), (87, 744585), (145, 446751), (261, 248195), (435, 148917), (1305, 49639)]