31109337

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 56189952

約数和(自身を除く): 25080615

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 527, 651, 937, 1071, 1581, 1953, 2811, 3689, 4743, 6559, 8433, 11067, 15929, 19677, 29047, 33201, 47787, 59031, 87141, 111503, 143361, 203329, 261423, 334509, 493799, 609987, 1003527, 1481397, 1829961, 3456593, 4444191, 10369779, 31109337]

約数ペア:

[(1, 31109337), (3, 10369779), (7, 4444191), (9, 3456593), (17, 1829961), (21, 1481397), (31, 1003527), (51, 609987), (63, 493799), (93, 334509), (119, 261423), (153, 203329), (217, 143361), (279, 111503), (357, 87141), (527, 59031), (651, 47787), (937, 33201), (1071, 29047), (1581, 19677), (1953, 15929), (2811, 11067), (3689, 8433), (4743, 6559)]