30778185

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 20025015

約数列:

[1, 3, 5, 15, 47, 141, 149, 235, 293, 447, 705, 745, 879, 1465, 2235, 4395, 7003, 13771, 21009, 35015, 41313, 43657, 68855, 105045, 130971, 206565, 218285, 654855, 2051879, 6155637, 10259395, 30778185]

約数ペア:

[(1, 30778185), (3, 10259395), (5, 6155637), (15, 2051879), (47, 654855), (141, 218285), (149, 206565), (235, 130971), (293, 105045), (447, 68855), (705, 43657), (745, 41313), (879, 35015), (1465, 21009), (2235, 13771), (4395, 7003)]