205207965

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{24919}}^1$

素因数の和:24994

約数の個数: 32

約数和(自身を含む): 370809600

約数和(自身を除く): 165601635

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235, 24919, 74757, 124595, 224271, 373785, 672813, 1121355, 1520059, 3364065, 4560177, 7600295, 13680531, 22800885, 41041593, 68402655, 205207965]

約数ペア:

[(1, 205207965), (3, 68402655), (5, 41041593), (9, 22800885), (15, 13680531), (27, 7600295), (45, 4560177), (61, 3364065), (135, 1520059), (183, 1121355), (305, 672813), (549, 373785), (915, 224271), (1647, 124595), (2745, 74757), (8235, 24919)]