25755561

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 44343936

約数和(自身を除く): 18588375

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 563, 663, 897, 1173, 1689, 1989, 2691, 3519, 5067, 5083, 7319, 9571, 12949, 15249, 21957, 28713, 38847, 45747, 65871, 86139, 116541, 124423, 168337, 220133, 373269, 505011, 660399, 1119807, 1515033, 1981197, 2861729, 8585187, 25755561]

約数ペア:

[(1, 25755561), (3, 8585187), (9, 2861729), (13, 1981197), (17, 1515033), (23, 1119807), (39, 660399), (51, 505011), (69, 373269), (117, 220133), (153, 168337), (207, 124423), (221, 116541), (299, 86139), (391, 65871), (563, 45747), (663, 38847), (897, 28713), (1173, 21957), (1689, 15249), (1989, 12949), (2691, 9571), (3519, 7319), (5067, 5083)]