210069909

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 390153600

約数和(自身を除く): 180083691

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 61, 63, 133, 137, 147, 171, 183, 189, 399, 411, 427, 441, 513, 549, 931, 959, 1159, 1197, 1233, 1281, 1323, 1647, 2603, 2793, 2877, 2989, 3477, 3591, 3699, 3843, 6713, 7809, 8113, 8357, 8379, 8631, 8967, 10431, 11529, 18221, 20139, 23427, 24339, 25071, 25137, 25893, 26901, 31293, 54663, 56791, 58499, 60417, 70281, 73017, 75213, 80703, 127547, 158783, 163989, 170373, 175497, 181251, 219051, 225639, 382641, 409493, 476349, 491967, 511119, 526491, 1111481, 1147923, 1228479, 1429047, 1533357, 1579473, 3334443, 3443769, 3685437, 4287141, 7780367, 10003329, 11056311, 23341101, 30009987, 70023303, 210069909]

約数ペア:

[(1, 210069909), (3, 70023303), (7, 30009987), (9, 23341101), (19, 11056311), (21, 10003329), (27, 7780367), (49, 4287141), (57, 3685437), (61, 3443769), (63, 3334443), (133, 1579473), (137, 1533357), (147, 1429047), (171, 1228479), (183, 1147923), (189, 1111481), (399, 526491), (411, 511119), (427, 491967), (441, 476349), (513, 409493), (549, 382641), (931, 225639), (959, 219051), (1159, 181251), (1197, 175497), (1233, 170373), (1281, 163989), (1323, 158783), (1647, 127547), (2603, 80703), (2793, 75213), (2877, 73017), (2989, 70281), (3477, 60417), (3591, 58499), (3699, 56791), (3843, 54663), (6713, 31293), (7809, 26901), (8113, 25893), (8357, 25137), (8379, 25071), (8631, 24339), (8967, 23427), (10431, 20139), (11529, 18221)]