39400815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 68522400

約数和(自身を除く): 29121585

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 149, 183, 255, 289, 305, 447, 745, 867, 915, 1037, 1445, 2235, 2533, 3111, 4335, 5185, 7599, 9089, 12665, 15555, 17629, 27267, 37995, 43061, 45445, 52887, 88145, 129183, 136335, 154513, 215305, 264435, 463539, 645915, 772565, 2317695, 2626721, 7880163, 13133605, 39400815]

約数ペア:

[(1, 39400815), (3, 13133605), (5, 7880163), (15, 2626721), (17, 2317695), (51, 772565), (61, 645915), (85, 463539), (149, 264435), (183, 215305), (255, 154513), (289, 136335), (305, 129183), (447, 88145), (745, 52887), (867, 45445), (915, 43061), (1037, 37995), (1445, 27267), (2235, 17629), (2533, 15555), (3111, 12665), (4335, 9089), (5185, 7599)]