7878195

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 15311520

約数和(自身を除く): 7433325

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 67, 117, 135, 195, 201, 335, 351, 585, 603, 871, 1005, 1755, 1809, 2613, 3015, 4355, 4489, 7839, 9045, 13065, 13467, 22445, 23517, 39195, 40401, 58357, 67335, 117585, 121203, 175071, 202005, 291785, 525213, 606015, 875355, 1575639, 2626065, 7878195]

約数ペア:

[(1, 7878195), (3, 2626065), (5, 1575639), (9, 875355), (13, 606015), (15, 525213), (27, 291785), (39, 202005), (45, 175071), (65, 121203), (67, 117585), (117, 67335), (135, 58357), (195, 40401), (201, 39195), (335, 23517), (351, 22445), (585, 13467), (603, 13065), (871, 9045), (1005, 7839), (1755, 4489), (1809, 4355), (2613, 3015)]