90721743

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2203}}^1$

素因数の和:2303

約数の個数: 32

約数和(自身を含む): 144723456

約数和(自身を除く): 54001713

約数列:

[1, 3, 7, 21, 37, 53, 111, 159, 259, 371, 777, 1113, 1961, 2203, 5883, 6609, 13727, 15421, 41181, 46263, 81511, 116759, 244533, 350277, 570577, 817313, 1711731, 2451939, 4320083, 12960249, 30240581, 90721743]

約数ペア:

[(1, 90721743), (3, 30240581), (7, 12960249), (21, 4320083), (37, 2451939), (53, 1711731), (111, 817313), (159, 570577), (259, 350277), (371, 244533), (777, 116759), (1113, 81511), (1961, 46263), (2203, 41181), (5883, 15421), (6609, 13727)]