78135945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 134312640

約数和(自身を除く): 56176695

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 229, 345, 529, 645, 687, 989, 1145, 1587, 2645, 2967, 3435, 4945, 5267, 7935, 9847, 14835, 15801, 22747, 26335, 29541, 49235, 68241, 79005, 113735, 121141, 147705, 226481, 341205, 363423, 605705, 679443, 1132405, 1817115, 3397215, 5209063, 15627189, 26045315, 78135945]

約数ペア:

[(1, 78135945), (3, 26045315), (5, 15627189), (15, 5209063), (23, 3397215), (43, 1817115), (69, 1132405), (115, 679443), (129, 605705), (215, 363423), (229, 341205), (345, 226481), (529, 147705), (645, 121141), (687, 113735), (989, 79005), (1145, 68241), (1587, 49235), (2645, 29541), (2967, 26335), (3435, 22747), (4945, 15801), (5267, 14835), (7935, 9847)]