28038759

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{16901}}^1$

素因数の和:16990

約数の個数: 16

約数和(自身を含む): 43269120

約数和(自身を除く): 15230361

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 16901, 50703, 118307, 354921, 1335179, 4005537, 9346253, 28038759]

約数ペア:

[(1, 28038759), (3, 9346253), (7, 4005537), (21, 1335179), (79, 354921), (237, 118307), (553, 50703), (1659, 16901)]