30878967

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2659}}^1$

素因数の和:2755

約数の個数: 24

約数和(自身を含む): 48518400

約数和(自身を除く): 17639433

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 2659, 3871, 7977, 11613, 18613, 55839, 130291, 210061, 390873, 630183, 1470427, 4411281, 10292989, 30878967]

約数ペア:

[(1, 30878967), (3, 10292989), (7, 4411281), (21, 1470427), (49, 630183), (79, 390873), (147, 210061), (237, 130291), (553, 55839), (1659, 18613), (2659, 11613), (3871, 7977)]