31337075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 49330176

約数和(自身を除く): 17993101

約数列:

[1, 5, 7, 11, 25, 35, 55, 73, 77, 175, 223, 275, 365, 385, 511, 803, 1115, 1561, 1825, 1925, 2453, 2555, 4015, 5575, 5621, 7805, 12265, 12775, 16279, 17171, 20075, 28105, 39025, 61325, 81395, 85855, 113953, 140525, 179069, 406975, 429275, 569765, 895345, 1253483, 2848825, 4476725, 6267415, 31337075]

約数ペア:

[(1, 31337075), (5, 6267415), (7, 4476725), (11, 2848825), (25, 1253483), (35, 895345), (55, 569765), (73, 429275), (77, 406975), (175, 179069), (223, 140525), (275, 113953), (365, 85855), (385, 81395), (511, 61325), (803, 39025), (1115, 28105), (1561, 20075), (1825, 17171), (1925, 16279), (2453, 12775), (2555, 12265), (4015, 7805), (5575, 5621)]