199959825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3061}}^1$

素因数の和:3154

約数の個数: 48

約数和(自身を含む): 361462976

約数和(自身を除く): 161503151

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 67, 75, 195, 201, 325, 335, 871, 975, 1005, 1675, 2613, 3061, 4355, 5025, 9183, 13065, 15305, 21775, 39793, 45915, 65325, 76525, 119379, 198965, 205087, 229575, 596895, 615261, 994825, 1025435, 2666131, 2984475, 3076305, 5127175, 7998393, 13330655, 15381525, 39991965, 66653275, 199959825]

約数ペア:

[(1, 199959825), (3, 66653275), (5, 39991965), (13, 15381525), (15, 13330655), (25, 7998393), (39, 5127175), (65, 3076305), (67, 2984475), (75, 2666131), (195, 1025435), (201, 994825), (325, 615261), (335, 596895), (871, 229575), (975, 205087), (1005, 198965), (1675, 119379), (2613, 76525), (3061, 65325), (4355, 45915), (5025, 39793), (9183, 21775), (13065, 15305)]