28671645

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 47628288

約数和(自身を除く): 18956643

約数列:

[1, 3, 5, 15, 47, 67, 141, 201, 235, 335, 607, 705, 1005, 1821, 3035, 3149, 9105, 9447, 15745, 28529, 40669, 47235, 85587, 122007, 142645, 203345, 427935, 610035, 1911443, 5734329, 9557215, 28671645]

約数ペア:

[(1, 28671645), (3, 9557215), (5, 5734329), (15, 1911443), (47, 610035), (67, 427935), (141, 203345), (201, 142645), (235, 122007), (335, 85587), (607, 47235), (705, 40669), (1005, 28529), (1821, 15745), (3035, 9447), (3149, 9105)]