128697075

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1913}}^1$

素因数の和:1965

約数の個数: 72

約数和(自身を含む): 259170912

約数和(自身を除く): 130473837

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 299, 325, 345, 575, 585, 897, 975, 1035, 1495, 1725, 1913, 2691, 2925, 4485, 5175, 5739, 7475, 9565, 13455, 17217, 22425, 24869, 28695, 43999, 47825, 67275, 74607, 86085, 124345, 131997, 143475, 219995, 223821, 373035, 395991, 430425, 571987, 621725, 659985, 1099975, 1119105, 1715961, 1865175, 1979955, 2859935, 3299925, 5147883, 5595525, 8579805, 9899775, 14299675, 25739415, 42899025, 128697075]

約数ペア:

[(1, 128697075), (3, 42899025), (5, 25739415), (9, 14299675), (13, 9899775), (15, 8579805), (23, 5595525), (25, 5147883), (39, 3299925), (45, 2859935), (65, 1979955), (69, 1865175), (75, 1715961), (115, 1119105), (117, 1099975), (195, 659985), (207, 621725), (225, 571987), (299, 430425), (325, 395991), (345, 373035), (575, 223821), (585, 219995), (897, 143475), (975, 131997), (1035, 124345), (1495, 86085), (1725, 74607), (1913, 67275), (2691, 47825), (2925, 43999), (4485, 28695), (5175, 24869), (5739, 22425), (7475, 17217), (9565, 13455)]