39540921

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 61885440

約数和(自身を除く): 22344519

約数列:

[1, 3, 7, 21, 67, 157, 179, 201, 469, 471, 537, 1099, 1253, 1407, 3297, 3759, 10519, 11993, 28103, 31557, 35979, 73633, 83951, 84309, 196721, 220899, 251853, 590163, 1882901, 5648703, 13180307, 39540921]

約数ペア:

[(1, 39540921), (3, 13180307), (7, 5648703), (21, 1882901), (67, 590163), (157, 251853), (179, 220899), (201, 196721), (469, 84309), (471, 83951), (537, 73633), (1099, 35979), (1253, 31557), (1407, 28103), (3297, 11993), (3759, 10519)]