51817575

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 89565696

約数和(自身を除く): 37748121

約数列:

[1, 3, 5, 15, 25, 37, 71, 75, 111, 185, 213, 263, 355, 555, 789, 925, 1065, 1315, 1775, 2627, 2775, 3945, 5325, 6575, 7881, 9731, 13135, 18673, 19725, 29193, 39405, 48655, 56019, 65675, 93365, 145965, 197025, 243275, 280095, 466825, 690901, 729825, 1400475, 2072703, 3454505, 10363515, 17272525, 51817575]

約数ペア:

[(1, 51817575), (3, 17272525), (5, 10363515), (15, 3454505), (25, 2072703), (37, 1400475), (71, 729825), (75, 690901), (111, 466825), (185, 280095), (213, 243275), (263, 197025), (355, 145965), (555, 93365), (789, 65675), (925, 56019), (1065, 48655), (1315, 39405), (1775, 29193), (2627, 19725), (2775, 18673), (3945, 13135), (5325, 9731), (6575, 7881)]