31945965

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 57507840

約数和(自身を除く): 25561875

約数列:

[1, 3, 5, 15, 23, 29, 31, 69, 87, 93, 103, 115, 145, 155, 309, 345, 435, 465, 515, 667, 713, 899, 1545, 2001, 2139, 2369, 2697, 2987, 3193, 3335, 3565, 4495, 7107, 8961, 9579, 10005, 10695, 11845, 13485, 14935, 15965, 20677, 35535, 44805, 47895, 62031, 68701, 73439, 92597, 103385, 206103, 220317, 277791, 310155, 343505, 367195, 462985, 1030515, 1101585, 1388955, 2129731, 6389193, 10648655, 31945965]

約数ペア:

[(1, 31945965), (3, 10648655), (5, 6389193), (15, 2129731), (23, 1388955), (29, 1101585), (31, 1030515), (69, 462985), (87, 367195), (93, 343505), (103, 310155), (115, 277791), (145, 220317), (155, 206103), (309, 103385), (345, 92597), (435, 73439), (465, 68701), (515, 62031), (667, 47895), (713, 44805), (899, 35535), (1545, 20677), (2001, 15965), (2139, 14935), (2369, 13485), (2697, 11845), (2987, 10695), (3193, 10005), (3335, 9579), (3565, 8961), (4495, 7107)]