156956331

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2557}}^1$

素因数の和:2683

約数の個数: 32

約数和(自身を含む): 248842240

約数和(自身を除く): 91885909

約数列:

[1, 3, 7, 21, 37, 79, 111, 237, 259, 553, 777, 1659, 2557, 2923, 7671, 8769, 17899, 20461, 53697, 61383, 94609, 202003, 283827, 606009, 662263, 1414021, 1986789, 4242063, 7474111, 22422333, 52318777, 156956331]

約数ペア:

[(1, 156956331), (3, 52318777), (7, 22422333), (21, 7474111), (37, 4242063), (79, 1986789), (111, 1414021), (237, 662263), (259, 606009), (553, 283827), (777, 202003), (1659, 94609), (2557, 61383), (2923, 53697), (7671, 20461), (8769, 17899)]