30009987

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 54758400

約数和(自身を除く): 24748413

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 61, 63, 133, 137, 171, 183, 189, 399, 411, 427, 513, 549, 959, 1159, 1197, 1233, 1281, 1647, 2603, 2877, 3477, 3591, 3699, 3843, 7809, 8113, 8357, 8631, 10431, 11529, 18221, 23427, 24339, 25071, 25893, 31293, 54663, 58499, 70281, 73017, 75213, 158783, 163989, 175497, 219051, 225639, 476349, 491967, 526491, 1111481, 1429047, 1579473, 3334443, 4287141, 10003329, 30009987]

約数ペア:

[(1, 30009987), (3, 10003329), (7, 4287141), (9, 3334443), (19, 1579473), (21, 1429047), (27, 1111481), (57, 526491), (61, 491967), (63, 476349), (133, 225639), (137, 219051), (171, 175497), (183, 163989), (189, 158783), (399, 75213), (411, 73017), (427, 70281), (513, 58499), (549, 54663), (959, 31293), (1159, 25893), (1197, 25071), (1233, 24339), (1281, 23427), (1647, 18221), (2603, 11529), (2877, 10431), (3477, 8631), (3591, 8357), (3699, 8113), (3843, 7809)]