207741615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{5189}}^1$

素因数の和:5371

約数の個数: 32

約数和(自身を含む): 354248640

約数和(自身を除く): 146507025

約数列:

[1, 3, 5, 15, 17, 51, 85, 157, 255, 471, 785, 2355, 2669, 5189, 8007, 13345, 15567, 25945, 40035, 77835, 88213, 264639, 441065, 814673, 1323195, 2444019, 4073365, 12220095, 13849441, 41548323, 69247205, 207741615]

約数ペア:

[(1, 207741615), (3, 69247205), (5, 41548323), (15, 13849441), (17, 12220095), (51, 4073365), (85, 2444019), (157, 1323195), (255, 814673), (471, 441065), (785, 264639), (2355, 88213), (2669, 77835), (5189, 40035), (8007, 25945), (13345, 15567)]