138865647

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 198696960

約数和(自身を除く): 59831313

約数列:

[1, 3, 31, 41, 79, 93, 123, 237, 461, 1271, 1383, 2449, 3239, 3813, 7347, 9717, 14291, 18901, 36419, 42873, 56703, 100409, 109257, 301227, 585931, 1128989, 1493179, 1757793, 3386967, 4479537, 46288549, 138865647]

約数ペア:

[(1, 138865647), (3, 46288549), (31, 4479537), (41, 3386967), (79, 1757793), (93, 1493179), (123, 1128989), (237, 585931), (461, 301227), (1271, 109257), (1383, 100409), (2449, 56703), (3239, 42873), (3813, 36419), (7347, 18901), (9717, 14291)]