31128246

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 73405440

約数和(自身を除く): 42277194

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 71, 138, 142, 207, 213, 353, 414, 426, 621, 639, 706, 1059, 1242, 1278, 1633, 1917, 2118, 3177, 3266, 3834, 4899, 6354, 8119, 9531, 9798, 14697, 16238, 19062, 24357, 25063, 29394, 44091, 48714, 50126, 73071, 75189, 88182, 146142, 150378, 219213, 225567, 438426, 451134, 576449, 676701, 1152898, 1353402, 1729347, 3458694, 5188041, 10376082, 15564123, 31128246]

約数ペア:

[(1, 31128246), (2, 15564123), (3, 10376082), (6, 5188041), (9, 3458694), (18, 1729347), (23, 1353402), (27, 1152898), (46, 676701), (54, 576449), (69, 451134), (71, 438426), (138, 225567), (142, 219213), (207, 150378), (213, 146142), (353, 88182), (414, 75189), (426, 73071), (621, 50126), (639, 48714), (706, 44091), (1059, 29394), (1242, 25063), (1278, 24357), (1633, 19062), (1917, 16238), (2118, 14697), (3177, 9798), (3266, 9531), (3834, 8119), (4899, 6354)]