30855447

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 55865472

約数和(自身を除く): 25010025

約数列:

[1, 3, 7, 9, 21, 31, 37, 49, 61, 63, 93, 111, 147, 183, 217, 259, 279, 333, 427, 441, 549, 651, 777, 1147, 1281, 1519, 1813, 1891, 1953, 2257, 2331, 2989, 3441, 3843, 4557, 5439, 5673, 6771, 8029, 8967, 10323, 13237, 13671, 15799, 16317, 17019, 20313, 24087, 26901, 39711, 47397, 56203, 69967, 72261, 92659, 110593, 119133, 142191, 168609, 209901, 277977, 331779, 489769, 505827, 629703, 833931, 995337, 1469307, 3428383, 4407921, 10285149, 30855447]

約数ペア:

[(1, 30855447), (3, 10285149), (7, 4407921), (9, 3428383), (21, 1469307), (31, 995337), (37, 833931), (49, 629703), (61, 505827), (63, 489769), (93, 331779), (111, 277977), (147, 209901), (183, 168609), (217, 142191), (259, 119133), (279, 110593), (333, 92659), (427, 72261), (441, 69967), (549, 56203), (651, 47397), (777, 39711), (1147, 26901), (1281, 24087), (1519, 20313), (1813, 17019), (1891, 16317), (1953, 15799), (2257, 13671), (2331, 13237), (2989, 10323), (3441, 8967), (3843, 8029), (4557, 6771), (5439, 5673)]