288536619

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{7901}}^1$

素因数の和:7995

約数の個数: 32

約数和(自身を含む): 461223936

約数和(自身を除く): 172687317

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 777, 987, 1739, 5217, 7901, 12173, 23703, 36519, 55307, 165921, 292337, 371347, 877011, 1114041, 2046359, 2599429, 6139077, 7798287, 13739839, 41219517, 96178873, 288536619]

約数ペア:

[(1, 288536619), (3, 96178873), (7, 41219517), (21, 13739839), (37, 7798287), (47, 6139077), (111, 2599429), (141, 2046359), (259, 1114041), (329, 877011), (777, 371347), (987, 292337), (1739, 165921), (5217, 55307), (7901, 36519), (12173, 23703)]