1565109

素因数分解:

$3^3\times 7^3\times {\mathrm{13}}^2$

素因数の和:56

約数の個数: 48

約数和(自身を含む): 2928000

約数和(自身を除く): 1362891

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 169, 189, 273, 343, 351, 441, 507, 637, 819, 1029, 1183, 1323, 1521, 1911, 2457, 3087, 3549, 4459, 4563, 5733, 8281, 9261, 10647, 13377, 17199, 24843, 31941, 40131, 57967, 74529, 120393, 173901, 223587, 521703, 1565109]

約数ペア:

[(1, 1565109), (3, 521703), (7, 223587), (9, 173901), (13, 120393), (21, 74529), (27, 57967), (39, 40131), (49, 31941), (63, 24843), (91, 17199), (117, 13377), (147, 10647), (169, 9261), (189, 8281), (273, 5733), (343, 4563), (351, 4459), (441, 3549), (507, 3087), (637, 2457), (819, 1911), (1029, 1521), (1183, 1323)]