18358623

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 31518720

約数和(自身を除く): 13160097

約数列:

[1, 3, 9, 17, 23, 27, 37, 47, 51, 69, 111, 141, 153, 207, 333, 391, 423, 459, 621, 629, 799, 851, 999, 1081, 1173, 1269, 1739, 1887, 2397, 2553, 3243, 3519, 5217, 5661, 7191, 7659, 9729, 10557, 14467, 15651, 16983, 18377, 21573, 22977, 29187, 29563, 39997, 43401, 46953, 55131, 88689, 119991, 130203, 165393, 266067, 359973, 390609, 496179, 679949, 798201, 1079919, 2039847, 6119541, 18358623]

約数ペア:

[(1, 18358623), (3, 6119541), (9, 2039847), (17, 1079919), (23, 798201), (27, 679949), (37, 496179), (47, 390609), (51, 359973), (69, 266067), (111, 165393), (141, 130203), (153, 119991), (207, 88689), (333, 55131), (391, 46953), (423, 43401), (459, 39997), (621, 29563), (629, 29187), (799, 22977), (851, 21573), (999, 18377), (1081, 16983), (1173, 15651), (1269, 14467), (1739, 10557), (1887, 9729), (2397, 7659), (2553, 7191), (3243, 5661), (3519, 5217)]