16321851

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1$

素因数の和:122

約数の個数: 72

約数和(自身を含む): 30875760

約数和(自身を除く): 14553909

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 73, 91, 117, 147, 169, 189, 219, 273, 351, 441, 507, 511, 637, 657, 819, 949, 1183, 1323, 1521, 1533, 1911, 1971, 2457, 2847, 3549, 3577, 4563, 4599, 5733, 6643, 8281, 8541, 10647, 10731, 12337, 13797, 17199, 19929, 24843, 25623, 31941, 32193, 37011, 46501, 59787, 74529, 86359, 96579, 111033, 139503, 179361, 223587, 259077, 333099, 418509, 604513, 777231, 1255527, 1813539, 2331693, 5440617, 16321851]

約数ペア:

[(1, 16321851), (3, 5440617), (7, 2331693), (9, 1813539), (13, 1255527), (21, 777231), (27, 604513), (39, 418509), (49, 333099), (63, 259077), (73, 223587), (91, 179361), (117, 139503), (147, 111033), (169, 96579), (189, 86359), (219, 74529), (273, 59787), (351, 46501), (441, 37011), (507, 32193), (511, 31941), (637, 25623), (657, 24843), (819, 19929), (949, 17199), (1183, 13797), (1323, 12337), (1521, 10731), (1533, 10647), (1911, 8541), (1971, 8281), (2457, 6643), (2847, 5733), (3549, 4599), (3577, 4563)]