15668780421

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{9239}}^1$

素因数の和:9478

約数の個数: 48

約数和(自身を含む): 24775027200

約数和(自身を除く): 9106246779

約数列:

[1, 3, 7, 21, 49, 83, 139, 147, 249, 417, 581, 973, 1743, 2919, 4067, 6811, 9239, 11537, 12201, 20433, 27717, 34611, 64673, 80759, 194019, 242277, 452711, 565313, 766837, 1284221, 1358133, 1695939, 2300511, 3852663, 5367859, 8989547, 16103577, 26968641, 37575013, 62926829, 106590343, 112725039, 188780487, 319771029, 746132401, 2238397203, 5222926807, 15668780421]

約数ペア:

[(1, 15668780421), (3, 5222926807), (7, 2238397203), (21, 746132401), (49, 319771029), (83, 188780487), (139, 112725039), (147, 106590343), (249, 62926829), (417, 37575013), (581, 26968641), (973, 16103577), (1743, 8989547), (2919, 5367859), (4067, 3852663), (6811, 2300511), (9239, 1695939), (11537, 1358133), (12201, 1284221), (20433, 766837), (27717, 565313), (34611, 452711), (64673, 242277), (80759, 194019)]