31865955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 56932512

約数和(自身を除く): 25066557

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 121, 165, 181, 291, 363, 485, 543, 605, 905, 1067, 1455, 1815, 1991, 2715, 3201, 5335, 5973, 9955, 11737, 16005, 17557, 21901, 29865, 35211, 52671, 58685, 65703, 87785, 109505, 176055, 193127, 263355, 328515, 579381, 965635, 2124397, 2896905, 6373191, 10621985, 31865955]

約数ペア:

[(1, 31865955), (3, 10621985), (5, 6373191), (11, 2896905), (15, 2124397), (33, 965635), (55, 579381), (97, 328515), (121, 263355), (165, 193127), (181, 176055), (291, 109505), (363, 87785), (485, 65703), (543, 58685), (605, 52671), (905, 35211), (1067, 29865), (1455, 21901), (1815, 17557), (1991, 16005), (2715, 11737), (3201, 9955), (5335, 5973)]