68448405

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 112135680

約数和(自身を除く): 43687275

約数列:

[1, 3, 5, 15, 61, 183, 239, 305, 313, 717, 915, 939, 1195, 1565, 3585, 4695, 14579, 19093, 43737, 57279, 72895, 74807, 95465, 218685, 224421, 286395, 374035, 1122105, 4563227, 13689681, 22816135, 68448405]

約数ペア:

[(1, 68448405), (3, 22816135), (5, 13689681), (15, 4563227), (61, 1122105), (183, 374035), (239, 286395), (305, 224421), (313, 218685), (717, 95465), (915, 74807), (939, 72895), (1195, 57279), (1565, 43737), (3585, 19093), (4695, 14579)]