27915921

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 51226560

約数和(自身を除く): 23310639

約数列:

[1, 3, 9, 11, 17, 19, 27, 33, 51, 57, 81, 97, 99, 153, 171, 187, 209, 291, 297, 323, 459, 513, 561, 627, 873, 891, 969, 1067, 1377, 1539, 1649, 1683, 1843, 1881, 2619, 2907, 3201, 3553, 4947, 5049, 5529, 5643, 7857, 8721, 9603, 10659, 14841, 15147, 16587, 16929, 18139, 20273, 26163, 28809, 31331, 31977, 44523, 49761, 54417, 60819, 86427, 93993, 95931, 133569, 149283, 163251, 182457, 281979, 287793, 344641, 489753, 547371, 845937, 1033923, 1469259, 1642113, 2537811, 3101769, 9305307, 27915921]

約数ペア:

[(1, 27915921), (3, 9305307), (9, 3101769), (11, 2537811), (17, 1642113), (19, 1469259), (27, 1033923), (33, 845937), (51, 547371), (57, 489753), (81, 344641), (97, 287793), (99, 281979), (153, 182457), (171, 163251), (187, 149283), (209, 133569), (291, 95931), (297, 93993), (323, 86427), (459, 60819), (513, 54417), (561, 49761), (627, 44523), (873, 31977), (891, 31331), (969, 28809), (1067, 26163), (1377, 20273), (1539, 18139), (1649, 16929), (1683, 16587), (1843, 15147), (1881, 14841), (2619, 10659), (2907, 9603), (3201, 8721), (3553, 7857), (4947, 5643), (5049, 5529)]