13278313971

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{21613}}^1$

素因数の和:21780

約数の個数: 48

約数和(自身を含む): 21242239200

約数和(自身を除く): 7963925229

約数列:

[1, 3, 9, 13, 39, 59, 89, 117, 177, 267, 531, 767, 801, 1157, 2301, 3471, 5251, 6903, 10413, 15753, 21613, 47259, 64839, 68263, 194517, 204789, 280969, 614367, 842907, 1275167, 1923557, 2528721, 3825501, 5770671, 11476503, 16577171, 17312013, 25006241, 49731513, 75018723, 113489863, 149194539, 225056169, 340469589, 1021408767, 1475368219, 4426104657, 13278313971]

約数ペア:

[(1, 13278313971), (3, 4426104657), (9, 1475368219), (13, 1021408767), (39, 340469589), (59, 225056169), (89, 149194539), (117, 113489863), (177, 75018723), (267, 49731513), (531, 25006241), (767, 17312013), (801, 16577171), (1157, 11476503), (2301, 5770671), (3471, 3825501), (5251, 2528721), (6903, 1923557), (10413, 1275167), (15753, 842907), (21613, 614367), (47259, 280969), (64839, 204789), (68263, 194517)]