28231425

素因数分解:

$3^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{463}}^1$

素因数の和:750

約数の個数: 36

約数和(自身を含む): 50861824

約数和(自身を除く): 22630399

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 271, 463, 813, 1355, 1389, 2315, 2439, 4065, 4167, 6775, 6945, 11575, 12195, 20325, 20835, 34725, 60975, 104175, 125473, 376419, 627365, 1129257, 1882095, 3136825, 5646285, 9410475, 28231425]

約数ペア:

[(1, 28231425), (3, 9410475), (5, 5646285), (9, 3136825), (15, 1882095), (25, 1129257), (45, 627365), (75, 376419), (225, 125473), (271, 104175), (463, 60975), (813, 34725), (1355, 20835), (1389, 20325), (2315, 12195), (2439, 11575), (4065, 6945), (4167, 6775)]