221265849

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9091}}^1$

素因数の和:9181

約数の個数: 32

約数和(自身を含む): 360770560

約数和(自身を除く): 139504711

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 3477, 8113, 9091, 24339, 27273, 63637, 172729, 190911, 518187, 554551, 1209103, 1663653, 3627309, 3881857, 10536469, 11645571, 31609407, 73755283, 221265849]

約数ペア:

[(1, 221265849), (3, 73755283), (7, 31609407), (19, 11645571), (21, 10536469), (57, 3881857), (61, 3627309), (133, 1663653), (183, 1209103), (399, 554551), (427, 518187), (1159, 190911), (1281, 172729), (3477, 63637), (8113, 27273), (9091, 24339)]