201529921821

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1\times {\mathrm{20921}}^1$

素因数の和:21637

約数の個数: 32

約数和(自身を含む): 279705381120

約数和(自身を除く): 78175459299

約数列:

[1, 3, 29, 87, 263, 421, 789, 1263, 7627, 12209, 20921, 22881, 36627, 62763, 110723, 332169, 606709, 1820127, 3210967, 5502223, 8807741, 9632901, 16506669, 26423223, 159564467, 255424489, 478693401, 766273467, 2316435883, 6949307649, 67176640607, 201529921821]

約数ペア:

[(1, 201529921821), (3, 67176640607), (29, 6949307649), (87, 2316435883), (263, 766273467), (421, 478693401), (789, 255424489), (1263, 159564467), (7627, 26423223), (12209, 16506669), (20921, 9632901), (22881, 8807741), (36627, 5502223), (62763, 3210967), (110723, 1820127), (332169, 606709)]