38813925

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 67174272

約数和(自身を除く): 28360347

約数列:

[1, 3, 5, 15, 25, 37, 71, 75, 111, 185, 197, 213, 355, 555, 591, 925, 985, 1065, 1775, 2627, 2775, 2955, 4925, 5325, 7289, 7881, 13135, 13987, 14775, 21867, 36445, 39405, 41961, 65675, 69935, 109335, 182225, 197025, 209805, 349675, 517519, 546675, 1049025, 1552557, 2587595, 7762785, 12937975, 38813925]

約数ペア:

[(1, 38813925), (3, 12937975), (5, 7762785), (15, 2587595), (25, 1552557), (37, 1049025), (71, 546675), (75, 517519), (111, 349675), (185, 209805), (197, 197025), (213, 182225), (355, 109335), (555, 69935), (591, 65675), (925, 41961), (985, 39405), (1065, 36445), (1775, 21867), (2627, 14775), (2775, 13987), (2955, 13135), (4925, 7881), (5325, 7289)]