28353225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 50086080

約数和(自身を除く): 21732855

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 101, 197, 285, 303, 475, 505, 591, 985, 1425, 1515, 1919, 2525, 2955, 3743, 4925, 5757, 7575, 9595, 11229, 14775, 18715, 19897, 28785, 47975, 56145, 59691, 93575, 99485, 143925, 280725, 298455, 378043, 497425, 1134129, 1492275, 1890215, 5670645, 9451075, 28353225]

約数ペア:

[(1, 28353225), (3, 9451075), (5, 5670645), (15, 1890215), (19, 1492275), (25, 1134129), (57, 497425), (75, 378043), (95, 298455), (101, 280725), (197, 143925), (285, 99485), (303, 93575), (475, 59691), (505, 56145), (591, 47975), (985, 28785), (1425, 19897), (1515, 18715), (1919, 14775), (2525, 11229), (2955, 9595), (3743, 7575), (4925, 5757)]