388638405

素因数分解:

$3^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3167}}^1$

素因数の和:3288

約数の個数: 48

約数和(自身を含む): 705729024

約数和(自身を除く): 317090619

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 101, 135, 243, 303, 405, 505, 909, 1215, 1515, 2727, 3167, 4545, 8181, 9501, 13635, 15835, 24543, 28503, 40905, 47505, 85509, 122715, 142515, 256527, 319867, 427545, 769581, 959601, 1282635, 1599335, 2878803, 3847905, 4798005, 8636409, 14394015, 25909227, 43182045, 77727681, 129546135, 388638405]

約数ペア:

[(1, 388638405), (3, 129546135), (5, 77727681), (9, 43182045), (15, 25909227), (27, 14394015), (45, 8636409), (81, 4798005), (101, 3847905), (135, 2878803), (243, 1599335), (303, 1282635), (405, 959601), (505, 769581), (909, 427545), (1215, 319867), (1515, 256527), (2727, 142515), (3167, 122715), (4545, 85509), (8181, 47505), (9501, 40905), (13635, 28503), (15835, 24543)]