2021189157

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{1667}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 3232477248

約数和(自身を除く): 1211288091

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 241, 387, 559, 723, 1667, 1677, 2169, 3133, 5001, 5031, 9399, 10363, 15003, 21671, 28197, 31089, 65013, 71681, 93267, 134719, 195039, 215043, 401747, 404157, 645129, 931853, 1205241, 1212471, 2795559, 3615723, 5222711, 8386677, 15668133, 17275121, 47004399, 51825363, 155476089, 224576573, 673729719, 2021189157]

約数ペア:

[(1, 2021189157), (3, 673729719), (9, 224576573), (13, 155476089), (39, 51825363), (43, 47004399), (117, 17275121), (129, 15668133), (241, 8386677), (387, 5222711), (559, 3615723), (723, 2795559), (1667, 1212471), (1677, 1205241), (2169, 931853), (3133, 645129), (5001, 404157), (5031, 401747), (9399, 215043), (10363, 195039), (15003, 134719), (21671, 93267), (28197, 71681), (31089, 65013)]