28395549

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:176

約数の個数: 72

約数和(自身を含む): 53406720

約数和(自身を除く): 25011171

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 127, 147, 169, 189, 273, 351, 381, 441, 507, 637, 819, 889, 1143, 1183, 1323, 1521, 1651, 1911, 2457, 2667, 3429, 3549, 4563, 4953, 5733, 6223, 8001, 8281, 10647, 11557, 14859, 17199, 18669, 21463, 24003, 24843, 31941, 34671, 44577, 56007, 64389, 74529, 80899, 104013, 150241, 168021, 193167, 223587, 242697, 312039, 450723, 579501, 728091, 1051687, 1352169, 2184273, 3155061, 4056507, 9465183, 28395549]

約数ペア:

[(1, 28395549), (3, 9465183), (7, 4056507), (9, 3155061), (13, 2184273), (21, 1352169), (27, 1051687), (39, 728091), (49, 579501), (63, 450723), (91, 312039), (117, 242697), (127, 223587), (147, 193167), (169, 168021), (189, 150241), (273, 104013), (351, 80899), (381, 74529), (441, 64389), (507, 56007), (637, 44577), (819, 34671), (889, 31941), (1143, 24843), (1183, 24003), (1323, 21463), (1521, 18669), (1651, 17199), (1911, 14859), (2457, 11557), (2667, 10647), (3429, 8281), (3549, 8001), (4563, 6223), (4953, 5733)]