211974399

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3863}}^1$

素因数の和:3956

約数の個数: 48

約数和(自身を含む): 382566912

約数和(自身を除く): 170592513

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 67, 91, 117, 201, 273, 469, 603, 819, 871, 1407, 2613, 3863, 4221, 6097, 7839, 11589, 18291, 27041, 34767, 50219, 54873, 81123, 150657, 243369, 258821, 351533, 451971, 776463, 1054599, 1811747, 2329389, 3163797, 3364673, 5435241, 10094019, 16305723, 23552711, 30282057, 70658133, 211974399]

約数ペア:

[(1, 211974399), (3, 70658133), (7, 30282057), (9, 23552711), (13, 16305723), (21, 10094019), (39, 5435241), (63, 3364673), (67, 3163797), (91, 2329389), (117, 1811747), (201, 1054599), (273, 776463), (469, 451971), (603, 351533), (819, 258821), (871, 243369), (1407, 150657), (2613, 81123), (3863, 54873), (4221, 50219), (6097, 34767), (7839, 27041), (11589, 18291)]