81349722

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1$

素因数の和:1835

約数の個数: 48

約数和(自身を含む): 183419808

約数和(自身を除く): 102070086

約数列:

[1, 2, 3, 6, 9, 18, 43, 61, 86, 122, 129, 183, 258, 366, 387, 549, 774, 1098, 1723, 2623, 3446, 5169, 5246, 7869, 10338, 15507, 15738, 23607, 31014, 47214, 74089, 105103, 148178, 210206, 222267, 315309, 444534, 630618, 666801, 945927, 1333602, 1891854, 4519429, 9038858, 13558287, 27116574, 40674861, 81349722]

約数ペア:

[(1, 81349722), (2, 40674861), (3, 27116574), (6, 13558287), (9, 9038858), (18, 4519429), (43, 1891854), (61, 1333602), (86, 945927), (122, 666801), (129, 630618), (183, 444534), (258, 315309), (366, 222267), (387, 210206), (549, 148178), (774, 105103), (1098, 74089), (1723, 47214), (2623, 31014), (3446, 23607), (5169, 15738), (5246, 15507), (7869, 10338)]