78344325

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{15139}}^1$

素因数の和:15178

約数の個数: 36

約数和(自身を含む): 146434080

約数和(自身を除く): 68089755

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 15139, 45417, 75695, 136251, 227085, 348197, 378475, 681255, 1044591, 1135425, 1740985, 3133773, 3406275, 5222955, 8704925, 15668865, 26114775, 78344325]

約数ペア:

[(1, 78344325), (3, 26114775), (5, 15668865), (9, 8704925), (15, 5222955), (23, 3406275), (25, 3133773), (45, 1740985), (69, 1135425), (75, 1044591), (115, 681255), (207, 378475), (225, 348197), (345, 227085), (575, 136251), (1035, 75695), (1725, 45417), (5175, 15139)]