420171318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{77551}}^1$

素因数の和:77609

約数の個数: 48

約数和(自身を含む): 1064633856

約数和(自身を除く): 644462538

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 5418, 77551, 155102, 232653, 465306, 542857, 697959, 1085714, 1395918, 1628571, 3257142, 3334693, 4885713, 6669386, 9771426, 10004079, 20008158, 23342851, 30012237, 46685702, 60024474, 70028553, 140057106, 210085659, 420171318]

約数ペア:

[(1, 420171318), (2, 210085659), (3, 140057106), (6, 70028553), (7, 60024474), (9, 46685702), (14, 30012237), (18, 23342851), (21, 20008158), (42, 10004079), (43, 9771426), (63, 6669386), (86, 4885713), (126, 3334693), (129, 3257142), (258, 1628571), (301, 1395918), (387, 1085714), (602, 697959), (774, 542857), (903, 465306), (1806, 232653), (2709, 155102), (5418, 77551)]