398848635

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{401}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 747276192

約数和(自身を除く): 348427557

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 401, 465, 713, 961, 1035, 1203, 1395, 2005, 2139, 2883, 3565, 3609, 4805, 6015, 6417, 8649, 9223, 10695, 12431, 14415, 18045, 22103, 27669, 32085, 37293, 43245, 46115, 62155, 66309, 83007, 110515, 111879, 138345, 186465, 198927, 285913, 331545, 385361, 415035, 559395, 857739, 994635, 1156083, 1429565, 1926805, 2573217, 3468249, 4288695, 5780415, 8863303, 12866085, 17341245, 26589909, 44316515, 79769727, 132949545, 398848635]

約数ペア:

[(1, 398848635), (3, 132949545), (5, 79769727), (9, 44316515), (15, 26589909), (23, 17341245), (31, 12866085), (45, 8863303), (69, 5780415), (93, 4288695), (115, 3468249), (155, 2573217), (207, 1926805), (279, 1429565), (345, 1156083), (401, 994635), (465, 857739), (713, 559395), (961, 415035), (1035, 385361), (1203, 331545), (1395, 285913), (2005, 198927), (2139, 186465), (2883, 138345), (3565, 111879), (3609, 110515), (4805, 83007), (6015, 66309), (6417, 62155), (8649, 46115), (9223, 43245), (10695, 37293), (12431, 32085), (14415, 27669), (18045, 22103)]