81105816

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^3\times {\mathrm{2539}}^1$

素因数の和:2581

約数の個数: 64

約数和(自身を含む): 223113600

約数和(自身を除く): 142007784

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1331, 1452, 2539, 2662, 2904, 3993, 5078, 5324, 7617, 7986, 10156, 10648, 15234, 15972, 20312, 27929, 30468, 31944, 55858, 60936, 83787, 111716, 167574, 223432, 307219, 335148, 614438, 670296, 921657, 1228876, 1843314, 2457752, 3379409, 3686628, 6758818, 7373256, 10138227, 13517636, 20276454, 27035272, 40552908, 81105816]

約数ペア:

[(1, 81105816), (2, 40552908), (3, 27035272), (4, 20276454), (6, 13517636), (8, 10138227), (11, 7373256), (12, 6758818), (22, 3686628), (24, 3379409), (33, 2457752), (44, 1843314), (66, 1228876), (88, 921657), (121, 670296), (132, 614438), (242, 335148), (264, 307219), (363, 223432), (484, 167574), (726, 111716), (968, 83787), (1331, 60936), (1452, 55858), (2539, 31944), (2662, 30468), (2904, 27929), (3993, 20312), (5078, 15972), (5324, 15234), (7617, 10648), (7986, 10156)]