197297919

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 382054400

約数和(自身を除く): 184756481

約数列:

[1, 3, 7, 9, 13, 19, 21, 31, 39, 57, 63, 91, 93, 117, 133, 171, 217, 247, 273, 279, 399, 403, 409, 589, 651, 741, 819, 1197, 1209, 1227, 1729, 1767, 1953, 2223, 2821, 2863, 3627, 3681, 4123, 5187, 5301, 5317, 7657, 7771, 8463, 8589, 12369, 12679, 15561, 15951, 22971, 23313, 25389, 25767, 37107, 37219, 38037, 47853, 53599, 54397, 68913, 69939, 88753, 101023, 111657, 114111, 160797, 163191, 164827, 240901, 266259, 303069, 334971, 482391, 489573, 494481, 707161, 722703, 798777, 909207, 1153789, 1483443, 1686307, 2121483, 2168109, 3131713, 3461367, 5058921, 6364449, 9395139, 10384101, 15176763, 21921991, 28185417, 65765973, 197297919]

約数ペア:

[(1, 197297919), (3, 65765973), (7, 28185417), (9, 21921991), (13, 15176763), (19, 10384101), (21, 9395139), (31, 6364449), (39, 5058921), (57, 3461367), (63, 3131713), (91, 2168109), (93, 2121483), (117, 1686307), (133, 1483443), (171, 1153789), (217, 909207), (247, 798777), (273, 722703), (279, 707161), (399, 494481), (403, 489573), (409, 482391), (589, 334971), (651, 303069), (741, 266259), (819, 240901), (1197, 164827), (1209, 163191), (1227, 160797), (1729, 114111), (1767, 111657), (1953, 101023), (2223, 88753), (2821, 69939), (2863, 68913), (3627, 54397), (3681, 53599), (4123, 47853), (5187, 38037), (5301, 37219), (5317, 37107), (7657, 25767), (7771, 25389), (8463, 23313), (8589, 22971), (12369, 15951), (12679, 15561)]