30219761

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 38900736

約数和(自身を除く): 8680975

約数列:

[1, 11, 13, 17, 31, 143, 187, 221, 341, 401, 403, 527, 2431, 4411, 4433, 5213, 5797, 6817, 6851, 12431, 57343, 74987, 75361, 88621, 136741, 161603, 211327, 974831, 1777633, 2324597, 2747251, 30219761]

約数ペア:

[(1, 30219761), (11, 2747251), (13, 2324597), (17, 1777633), (31, 974831), (143, 211327), (187, 161603), (221, 136741), (341, 88621), (401, 75361), (403, 74987), (527, 57343), (2431, 12431), (4411, 6851), (4433, 6817), (5213, 5797)]