42820659

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1200

約数の個数: 36

約数和(自身を含む): 72825480

約数和(自身を除く): 30004821

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 801, 1091, 1869, 3273, 4361, 5607, 7637, 9819, 13083, 22911, 39249, 53459, 68733, 97099, 160377, 291297, 481131, 679693, 873891, 2039079, 4757851, 6117237, 14273553, 42820659]

約数ペア:

[(1, 42820659), (3, 14273553), (7, 6117237), (9, 4757851), (21, 2039079), (49, 873891), (63, 679693), (89, 481131), (147, 291297), (267, 160377), (441, 97099), (623, 68733), (801, 53459), (1091, 39249), (1869, 22911), (3273, 13083), (4361, 9819), (5607, 7637)]