31042221

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{977}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 50699520

約数和(自身を除く): 19657299

約数列:

[1, 3, 7, 17, 21, 51, 89, 119, 267, 357, 623, 977, 1513, 1869, 2931, 4539, 6839, 10591, 16609, 20517, 31773, 49827, 86953, 116263, 260859, 348789, 608671, 1478201, 1826013, 4434603, 10347407, 31042221]

約数ペア:

[(1, 31042221), (3, 10347407), (7, 4434603), (17, 1826013), (21, 1478201), (51, 608671), (89, 348789), (119, 260859), (267, 116263), (357, 86953), (623, 49827), (977, 31773), (1513, 20517), (1869, 16609), (2931, 10591), (4539, 6839)]