1279403325

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:236

約数の個数: 108

約数和(自身を含む): 2431487604

約数和(自身を除く): 1152084279

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 61, 75, 93, 97, 155, 183, 225, 279, 291, 305, 465, 485, 549, 775, 873, 915, 961, 1395, 1455, 1525, 1891, 2325, 2425, 2745, 2883, 3007, 4365, 4575, 4805, 5673, 5917, 6975, 7275, 8649, 9021, 9455, 13725, 14415, 15035, 17019, 17751, 21825, 24025, 27063, 28365, 29585, 43245, 45105, 47275, 53253, 58621, 72075, 75175, 85095, 88755, 93217, 135315, 141825, 147925, 175863, 183427, 216225, 225525, 266265, 279651, 293105, 425475, 443775, 466085, 527589, 550281, 676575, 838953, 879315, 917135, 1331325, 1398255, 1465525, 1650843, 2330425, 2637945, 2751405, 4194765, 4396575, 4585675, 5686237, 6991275, 8254215, 13189725, 13757025, 17058711, 20973825, 28431185, 41271075, 51176133, 85293555, 142155925, 255880665, 426467775, 1279403325]

約数ペア:

[(1, 1279403325), (3, 426467775), (5, 255880665), (9, 142155925), (15, 85293555), (25, 51176133), (31, 41271075), (45, 28431185), (61, 20973825), (75, 17058711), (93, 13757025), (97, 13189725), (155, 8254215), (183, 6991275), (225, 5686237), (279, 4585675), (291, 4396575), (305, 4194765), (465, 2751405), (485, 2637945), (549, 2330425), (775, 1650843), (873, 1465525), (915, 1398255), (961, 1331325), (1395, 917135), (1455, 879315), (1525, 838953), (1891, 676575), (2325, 550281), (2425, 527589), (2745, 466085), (2883, 443775), (3007, 425475), (4365, 293105), (4575, 279651), (4805, 266265), (5673, 225525), (5917, 216225), (6975, 183427), (7275, 175863), (8649, 147925), (9021, 141825), (9455, 135315), (13725, 93217), (14415, 88755), (15035, 85095), (17019, 75175), (17751, 72075), (21825, 58621), (24025, 53253), (27063, 47275), (28365, 45105), (29585, 43245)]