305011791

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{10831}}^1$

素因数の和:10996

約数の個数: 32

約数和(自身を含む): 519936000

約数和(自身を除く): 214924209

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 1043, 1341, 3129, 4023, 9387, 10831, 28161, 32493, 75817, 97479, 227451, 292437, 682353, 1613819, 2047059, 4841457, 11296733, 14524371, 33890199, 43573113, 101670597, 305011791]

約数ペア:

[(1, 305011791), (3, 101670597), (7, 43573113), (9, 33890199), (21, 14524371), (27, 11296733), (63, 4841457), (149, 2047059), (189, 1613819), (447, 682353), (1043, 292437), (1341, 227451), (3129, 97479), (4023, 75817), (9387, 32493), (10831, 28161)]