40205979

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4021}}^1$

素因数の和:4139

約数の個数: 24

約数和(自身を含む): 63998064

約数和(自身を除く): 23792085

約数列:

[1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 3333, 4021, 9999, 12063, 36189, 44231, 132693, 398079, 406121, 1218363, 3655089, 4467331, 13401993, 40205979]

約数ペア:

[(1, 40205979), (3, 13401993), (9, 4467331), (11, 3655089), (33, 1218363), (99, 406121), (101, 398079), (303, 132693), (909, 44231), (1111, 36189), (3333, 12063), (4021, 9999)]