11986815

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 20401920

約数和(自身を除く): 8415105

約数列:

[1, 3, 5, 15, 19, 57, 95, 137, 285, 307, 411, 685, 921, 1535, 2055, 2603, 4605, 5833, 7809, 13015, 17499, 29165, 39045, 42059, 87495, 126177, 210295, 630885, 799121, 2397363, 3995605, 11986815]

約数ペア:

[(1, 11986815), (3, 3995605), (5, 2397363), (15, 799121), (19, 630885), (57, 210295), (95, 126177), (137, 87495), (285, 42059), (307, 39045), (411, 29165), (685, 17499), (921, 13015), (1535, 7809), (2055, 5833), (2603, 4605)]