81717822

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:363

約数の個数: 80

約数和(自身を含む): 195148800

約数和(自身を除く): 113430978

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 139, 162, 171, 191, 278, 342, 382, 417, 513, 573, 834, 1026, 1146, 1251, 1539, 1719, 2502, 2641, 3078, 3438, 3629, 3753, 5157, 5282, 7258, 7506, 7923, 10314, 10887, 11259, 15471, 15846, 21774, 22518, 23769, 26549, 30942, 32661, 47538, 53098, 65322, 71307, 79647, 97983, 142614, 159294, 195966, 213921, 238941, 293949, 427842, 477882, 504431, 587898, 716823, 1008862, 1433646, 1513293, 2150469, 3026586, 4300938, 4539879, 9079758, 13619637, 27239274, 40858911, 81717822]

約数ペア:

[(1, 81717822), (2, 40858911), (3, 27239274), (6, 13619637), (9, 9079758), (18, 4539879), (19, 4300938), (27, 3026586), (38, 2150469), (54, 1513293), (57, 1433646), (81, 1008862), (114, 716823), (139, 587898), (162, 504431), (171, 477882), (191, 427842), (278, 293949), (342, 238941), (382, 213921), (417, 195966), (513, 159294), (573, 142614), (834, 97983), (1026, 79647), (1146, 71307), (1251, 65322), (1539, 53098), (1719, 47538), (2502, 32661), (2641, 30942), (3078, 26549), (3438, 23769), (3629, 22518), (3753, 21774), (5157, 15846), (5282, 15471), (7258, 11259), (7506, 10887), (7923, 10314)]