291225417

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 450278400

約数和(自身を除く): 159052983

約数列:

[1, 3, 7, 21, 149, 163, 447, 489, 571, 1043, 1141, 1713, 3129, 3423, 3997, 11991, 24287, 72861, 85079, 93073, 170009, 255237, 279219, 510027, 595553, 651511, 1786659, 1954533, 13867877, 41603631, 97075139, 291225417]

約数ペア:

[(1, 291225417), (3, 97075139), (7, 41603631), (21, 13867877), (149, 1954533), (163, 1786659), (447, 651511), (489, 595553), (571, 510027), (1043, 279219), (1141, 255237), (1713, 170009), (3129, 93073), (3423, 85079), (3997, 72861), (11991, 24287)]