2238795

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 4324320

約数和(自身を除く): 2085525

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 89, 117, 129, 195, 215, 267, 387, 445, 559, 585, 645, 801, 1157, 1335, 1677, 1935, 2795, 3471, 3827, 4005, 5031, 5785, 8385, 10413, 11481, 17355, 19135, 25155, 34443, 49751, 52065, 57405, 149253, 172215, 248755, 447759, 746265, 2238795]

約数ペア:

[(1, 2238795), (3, 746265), (5, 447759), (9, 248755), (13, 172215), (15, 149253), (39, 57405), (43, 52065), (45, 49751), (65, 34443), (89, 25155), (117, 19135), (129, 17355), (195, 11481), (215, 10413), (267, 8385), (387, 5785), (445, 5031), (559, 4005), (585, 3827), (645, 3471), (801, 2795), (1157, 1935), (1335, 1677)]