38994921

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 66801280

約数和(自身を除く): 27806359

約数列:

[1, 3, 7, 9, 21, 61, 63, 73, 139, 183, 219, 417, 427, 511, 549, 657, 973, 1251, 1281, 1533, 2919, 3843, 4453, 4599, 8479, 8757, 10147, 13359, 25437, 30441, 31171, 40077, 59353, 71029, 76311, 91323, 93513, 178059, 213087, 280539, 534177, 618967, 639261, 1856901, 4332769, 5570703, 12998307, 38994921]

約数ペア:

[(1, 38994921), (3, 12998307), (7, 5570703), (9, 4332769), (21, 1856901), (61, 639261), (63, 618967), (73, 534177), (139, 280539), (183, 213087), (219, 178059), (417, 93513), (427, 91323), (511, 76311), (549, 71029), (657, 59353), (973, 40077), (1251, 31171), (1281, 30441), (1533, 25437), (2919, 13359), (3843, 10147), (4453, 8757), (4599, 8479)]