27971916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 77995008

約数和(自身を除く): 50023092

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 61, 84, 103, 106, 122, 159, 183, 206, 212, 244, 309, 318, 366, 371, 412, 427, 618, 636, 721, 732, 742, 854, 1113, 1236, 1281, 1442, 1484, 1708, 2163, 2226, 2562, 2884, 3233, 4326, 4452, 5124, 5459, 6283, 6466, 8652, 9699, 10918, 12566, 12932, 16377, 18849, 19398, 21836, 22631, 25132, 32754, 37698, 38213, 38796, 43981, 45262, 65508, 67893, 75396, 76426, 87962, 90524, 114639, 131943, 135786, 152852, 175924, 229278, 263886, 271572, 332999, 458556, 527772, 665998, 998997, 1331996, 1997994, 2330993, 3995988, 4661986, 6992979, 9323972, 13985958, 27971916]

約数ペア:

[(1, 27971916), (2, 13985958), (3, 9323972), (4, 6992979), (6, 4661986), (7, 3995988), (12, 2330993), (14, 1997994), (21, 1331996), (28, 998997), (42, 665998), (53, 527772), (61, 458556), (84, 332999), (103, 271572), (106, 263886), (122, 229278), (159, 175924), (183, 152852), (206, 135786), (212, 131943), (244, 114639), (309, 90524), (318, 87962), (366, 76426), (371, 75396), (412, 67893), (427, 65508), (618, 45262), (636, 43981), (721, 38796), (732, 38213), (742, 37698), (854, 32754), (1113, 25132), (1236, 22631), (1281, 21836), (1442, 19398), (1484, 18849), (1708, 16377), (2163, 12932), (2226, 12566), (2562, 10918), (2884, 9699), (3233, 8652), (4326, 6466), (4452, 6283), (5124, 5459)]