11781990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3967}}^1$

素因数の和:3994

約数の個数: 64

約数和(自身を含む): 34283520

約数和(自身を除く): 22501530

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 3967, 7934, 11901, 19835, 23802, 35703, 39670, 43637, 59505, 71406, 87274, 107109, 119010, 130911, 178515, 214218, 218185, 261822, 357030, 392733, 436370, 535545, 654555, 785466, 1071090, 1178199, 1309110, 1963665, 2356398, 3927330, 5890995, 11781990]

約数ペア:

[(1, 11781990), (2, 5890995), (3, 3927330), (5, 2356398), (6, 1963665), (9, 1309110), (10, 1178199), (11, 1071090), (15, 785466), (18, 654555), (22, 535545), (27, 436370), (30, 392733), (33, 357030), (45, 261822), (54, 218185), (55, 214218), (66, 178515), (90, 130911), (99, 119010), (110, 107109), (135, 87274), (165, 71406), (198, 59505), (270, 43637), (297, 39670), (330, 35703), (495, 23802), (594, 19835), (990, 11901), (1485, 7934), (2970, 3967)]