28857075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1741}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 54434016

約数和(自身を除く): 25576941

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 1741, 3315, 5223, 5525, 8705, 16575, 22633, 26115, 29597, 43525, 67899, 88791, 113165, 130575, 147985, 339495, 384761, 443955, 565825, 739925, 1154283, 1697475, 1923805, 2219775, 5771415, 9619025, 28857075]

約数ペア:

[(1, 28857075), (3, 9619025), (5, 5771415), (13, 2219775), (15, 1923805), (17, 1697475), (25, 1154283), (39, 739925), (51, 565825), (65, 443955), (75, 384761), (85, 339495), (195, 147985), (221, 130575), (255, 113165), (325, 88791), (425, 67899), (663, 43525), (975, 29597), (1105, 26115), (1275, 22633), (1741, 16575), (3315, 8705), (5223, 5525)]