399556017

素因数分解:

$3^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{12659}}^1$

素因数の和:12842

約数の個数: 32

約数和(自身を含む): 680601600

約数和(自身を除く): 281045583

約数列:

[1, 3, 7, 9, 21, 27, 63, 167, 189, 501, 1169, 1503, 3507, 4509, 10521, 12659, 31563, 37977, 88613, 113931, 265839, 341793, 797517, 2114053, 2392551, 6342159, 14798371, 19026477, 44395113, 57079431, 133185339, 399556017]

約数ペア:

[(1, 399556017), (3, 133185339), (7, 57079431), (9, 44395113), (21, 19026477), (27, 14798371), (63, 6342159), (167, 2392551), (189, 2114053), (501, 797517), (1169, 341793), (1503, 265839), (3507, 113931), (4509, 88613), (10521, 37977), (12659, 31563)]