207181815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 360364032

約数和(自身を除く): 153182217

約数列:

[1, 3, 5, 15, 23, 41, 69, 97, 115, 123, 151, 205, 291, 345, 453, 485, 615, 755, 943, 1455, 2231, 2265, 2829, 3473, 3977, 4715, 6191, 6693, 10419, 11155, 11931, 14145, 14647, 17365, 18573, 19885, 30955, 33465, 43941, 52095, 59655, 73235, 91471, 92865, 142393, 219705, 274413, 336881, 427179, 457355, 600527, 711965, 1010643, 1372065, 1684405, 1801581, 2135895, 3002635, 5053215, 9007905, 13812121, 41436363, 69060605, 207181815]

約数ペア:

[(1, 207181815), (3, 69060605), (5, 41436363), (15, 13812121), (23, 9007905), (41, 5053215), (69, 3002635), (97, 2135895), (115, 1801581), (123, 1684405), (151, 1372065), (205, 1010643), (291, 711965), (345, 600527), (453, 457355), (485, 427179), (615, 336881), (755, 274413), (943, 219705), (1455, 142393), (2231, 92865), (2265, 91471), (2829, 73235), (3473, 59655), (3977, 52095), (4715, 43941), (6191, 33465), (6693, 30955), (10419, 19885), (11155, 18573), (11931, 17365), (14145, 14647)]