81421236

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173977}}^1$

素因数の和:174000

約数の個数: 36

約数和(自身を含む): 221647972

約数和(自身を除く): 140226736

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 173977, 347954, 521931, 695908, 1043862, 1565793, 2087724, 2261701, 3131586, 4523402, 6263172, 6785103, 9046804, 13570206, 20355309, 27140412, 40710618, 81421236]

約数ペア:

[(1, 81421236), (2, 40710618), (3, 27140412), (4, 20355309), (6, 13570206), (9, 9046804), (12, 6785103), (13, 6263172), (18, 4523402), (26, 3131586), (36, 2261701), (39, 2087724), (52, 1565793), (78, 1043862), (117, 695908), (156, 521931), (234, 347954), (468, 173977)]