81496725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 146240640

約数和(自身を除く): 64743915

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 123, 205, 255, 425, 615, 697, 1025, 1275, 1559, 2091, 3075, 3485, 4677, 7795, 10455, 17425, 23385, 26503, 38975, 52275, 63919, 79509, 116925, 132515, 191757, 319595, 397545, 662575, 958785, 1086623, 1597975, 1987725, 3259869, 4793925, 5433115, 16299345, 27165575, 81496725]

約数ペア:

[(1, 81496725), (3, 27165575), (5, 16299345), (15, 5433115), (17, 4793925), (25, 3259869), (41, 1987725), (51, 1597975), (75, 1086623), (85, 958785), (123, 662575), (205, 397545), (255, 319595), (425, 191757), (615, 132515), (697, 116925), (1025, 79509), (1275, 63919), (1559, 52275), (2091, 38975), (3075, 26503), (3485, 23385), (4677, 17425), (7795, 10455)]