28160925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1699}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 53121600

約数和(自身を除く): 24960675

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 1699, 3315, 5097, 5525, 8495, 16575, 22087, 25485, 28883, 42475, 66261, 86649, 110435, 127425, 144415, 331305, 375479, 433245, 552175, 722075, 1126437, 1656525, 1877395, 2166225, 5632185, 9386975, 28160925]

約数ペア:

[(1, 28160925), (3, 9386975), (5, 5632185), (13, 2166225), (15, 1877395), (17, 1656525), (25, 1126437), (39, 722075), (51, 552175), (65, 433245), (75, 375479), (85, 331305), (195, 144415), (221, 127425), (255, 110435), (325, 86649), (425, 66261), (663, 42475), (975, 28883), (1105, 25485), (1275, 22087), (1699, 16575), (3315, 8495), (5097, 5525)]