18385575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 33227040

約数和(自身を除く): 14841465

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 109, 173, 195, 325, 327, 519, 545, 865, 975, 1417, 1635, 2249, 2595, 2725, 4251, 4325, 6747, 7085, 8175, 11245, 12975, 18857, 21255, 33735, 35425, 56225, 56571, 94285, 106275, 168675, 245141, 282855, 471425, 735423, 1225705, 1414275, 3677115, 6128525, 18385575]

約数ペア:

[(1, 18385575), (3, 6128525), (5, 3677115), (13, 1414275), (15, 1225705), (25, 735423), (39, 471425), (65, 282855), (75, 245141), (109, 168675), (173, 106275), (195, 94285), (325, 56571), (327, 56225), (519, 35425), (545, 33735), (865, 21255), (975, 18857), (1417, 12975), (1635, 11245), (2249, 8175), (2595, 7085), (2725, 6747), (4251, 4325)]