15491133

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 27081600

約数和(自身を除く): 11590467

約数列:

[1, 3, 7, 9, 21, 29, 61, 63, 87, 139, 183, 203, 261, 417, 427, 549, 609, 973, 1251, 1281, 1769, 1827, 2919, 3843, 4031, 5307, 8479, 8757, 12093, 12383, 15921, 25437, 28217, 36279, 37149, 59353, 76311, 84651, 111447, 178059, 245891, 253953, 534177, 737673, 1721237, 2213019, 5163711, 15491133]

約数ペア:

[(1, 15491133), (3, 5163711), (7, 2213019), (9, 1721237), (21, 737673), (29, 534177), (61, 253953), (63, 245891), (87, 178059), (139, 111447), (183, 84651), (203, 76311), (261, 59353), (417, 37149), (427, 36279), (549, 28217), (609, 25437), (973, 15921), (1251, 12383), (1281, 12093), (1769, 8757), (1827, 8479), (2919, 5307), (3843, 4031)]