289778937

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1867}}^1$

素因数の和:2285

約数の個数: 32

約数和(自身を含む): 466252800

約数和(自身を除く): 176473863

約数列:

[1, 3, 7, 19, 21, 57, 133, 389, 399, 1167, 1867, 2723, 5601, 7391, 8169, 13069, 22173, 35473, 39207, 51737, 106419, 155211, 248311, 726263, 744933, 2178789, 5083841, 13798997, 15251523, 41396991, 96592979, 289778937]

約数ペア:

[(1, 289778937), (3, 96592979), (7, 41396991), (19, 15251523), (21, 13798997), (57, 5083841), (133, 2178789), (389, 744933), (399, 726263), (1167, 248311), (1867, 155211), (2723, 106419), (5601, 51737), (7391, 39207), (8169, 35473), (13069, 22173)]