201305925

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 400152960

約数和(自身を除く): 198847035

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 53, 75, 85, 135, 153, 159, 225, 255, 265, 331, 425, 459, 477, 675, 765, 795, 901, 993, 1275, 1325, 1431, 1655, 2295, 2385, 2703, 2979, 3825, 3975, 4505, 4965, 5627, 7155, 8109, 8275, 8937, 11475, 11925, 13515, 14895, 16881, 17543, 22525, 24327, 24825, 28135, 35775, 40545, 44685, 50643, 52629, 67575, 74475, 84405, 87715, 121635, 140675, 151929, 157887, 202725, 223425, 253215, 263145, 298231, 422025, 438575, 473661, 608175, 759645, 789435, 894693, 1266075, 1315725, 1491155, 2368305, 2684079, 3798225, 3947175, 4473465, 7455775, 8052237, 11841525, 13420395, 22367325, 40261185, 67101975, 201305925]

約数ペア:

[(1, 201305925), (3, 67101975), (5, 40261185), (9, 22367325), (15, 13420395), (17, 11841525), (25, 8052237), (27, 7455775), (45, 4473465), (51, 3947175), (53, 3798225), (75, 2684079), (85, 2368305), (135, 1491155), (153, 1315725), (159, 1266075), (225, 894693), (255, 789435), (265, 759645), (331, 608175), (425, 473661), (459, 438575), (477, 422025), (675, 298231), (765, 263145), (795, 253215), (901, 223425), (993, 202725), (1275, 157887), (1325, 151929), (1431, 140675), (1655, 121635), (2295, 87715), (2385, 84405), (2703, 74475), (2979, 67575), (3825, 52629), (3975, 50643), (4505, 44685), (4965, 40545), (5627, 35775), (7155, 28135), (8109, 24825), (8275, 24327), (8937, 22525), (11475, 17543), (11925, 16881), (13515, 14895)]