28109475

素因数分解:

$3^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{461}}^1$

素因数の和:748

約数の個数: 36

約数和(自身を含む): 50642592

約数和(自身を除く): 22533117

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 271, 461, 813, 1355, 1383, 2305, 2439, 4065, 4149, 6775, 6915, 11525, 12195, 20325, 20745, 34575, 60975, 103725, 124931, 374793, 624655, 1124379, 1873965, 3123275, 5621895, 9369825, 28109475]

約数ペア:

[(1, 28109475), (3, 9369825), (5, 5621895), (9, 3123275), (15, 1873965), (25, 1124379), (45, 624655), (75, 374793), (225, 124931), (271, 103725), (461, 60975), (813, 34575), (1355, 20745), (1383, 20325), (2305, 12195), (2439, 11525), (4065, 6915), (4149, 6775)]