2347947

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 40

約数和(自身を含む): 4146912

約数和(自身を除く): 1798965

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 101, 123, 189, 287, 303, 369, 567, 707, 861, 909, 1107, 2121, 2583, 2727, 3321, 4141, 6363, 7749, 8181, 12423, 19089, 23247, 28987, 37269, 57267, 86961, 111807, 260883, 335421, 782649, 2347947]

約数ペア:

[(1, 2347947), (3, 782649), (7, 335421), (9, 260883), (21, 111807), (27, 86961), (41, 57267), (63, 37269), (81, 28987), (101, 23247), (123, 19089), (189, 12423), (287, 8181), (303, 7749), (369, 6363), (567, 4141), (707, 3321), (861, 2727), (909, 2583), (1107, 2121)]