9780129225

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{449}}^1\times {\mathrm{739}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 17714268000

約数和(自身を除く): 7934138775

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 393, 449, 655, 739, 1179, 1347, 1965, 2217, 2245, 3275, 3695, 4041, 5895, 6651, 6735, 9825, 11085, 11225, 18475, 20205, 29475, 33255, 33675, 55425, 58819, 96809, 101025, 166275, 176457, 290427, 294095, 331811, 484045, 529371, 871281, 882285, 995433, 1452135, 1470475, 1659055, 2420225, 2646855, 2986299, 4356405, 4411425, 4977165, 7260675, 8295275, 13234275, 14931495, 21782025, 24885825, 43467241, 74657475, 130401723, 217336205, 391205169, 652008615, 1086681025, 1956025845, 3260043075, 9780129225]

約数ペア:

[(1, 9780129225), (3, 3260043075), (5, 1956025845), (9, 1086681025), (15, 652008615), (25, 391205169), (45, 217336205), (75, 130401723), (131, 74657475), (225, 43467241), (393, 24885825), (449, 21782025), (655, 14931495), (739, 13234275), (1179, 8295275), (1347, 7260675), (1965, 4977165), (2217, 4411425), (2245, 4356405), (3275, 2986299), (3695, 2646855), (4041, 2420225), (5895, 1659055), (6651, 1470475), (6735, 1452135), (9825, 995433), (11085, 882285), (11225, 871281), (18475, 529371), (20205, 484045), (29475, 331811), (33255, 294095), (33675, 290427), (55425, 176457), (58819, 166275), (96809, 101025)]