257058417

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{35897}}^1$

素因数の和:35949

約数の個数: 32

約数和(自身を含む): 441114624

約数和(自身を除く): 184056207

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 7161, 35897, 107691, 251279, 394867, 753837, 1112807, 1184601, 2764069, 3338421, 7789649, 8292207, 12240877, 23368947, 36722631, 85686139, 257058417]

約数ペア:

[(1, 257058417), (3, 85686139), (7, 36722631), (11, 23368947), (21, 12240877), (31, 8292207), (33, 7789649), (77, 3338421), (93, 2764069), (217, 1184601), (231, 1112807), (341, 753837), (651, 394867), (1023, 251279), (2387, 107691), (7161, 35897)]