216469755

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 427602240

約数和(自身を除く): 211132485

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 53, 57, 85, 95, 153, 159, 171, 255, 265, 281, 285, 323, 477, 765, 795, 843, 855, 901, 969, 1007, 1405, 1615, 2385, 2529, 2703, 2907, 3021, 4215, 4505, 4777, 4845, 5035, 5339, 8109, 9063, 12645, 13515, 14331, 14535, 14893, 15105, 16017, 17119, 23885, 26695, 40545, 42993, 44679, 45315, 48051, 51357, 71655, 74465, 80085, 85595, 90763, 134037, 154071, 214965, 223395, 240255, 253181, 256785, 272289, 282967, 453815, 670185, 759543, 770355, 816867, 848901, 1265905, 1361445, 1414835, 2278629, 2546703, 3797715, 4084335, 4244505, 4810439, 11393145, 12733515, 14431317, 24052195, 43293951, 72156585, 216469755]

約数ペア:

[(1, 216469755), (3, 72156585), (5, 43293951), (9, 24052195), (15, 14431317), (17, 12733515), (19, 11393145), (45, 4810439), (51, 4244505), (53, 4084335), (57, 3797715), (85, 2546703), (95, 2278629), (153, 1414835), (159, 1361445), (171, 1265905), (255, 848901), (265, 816867), (281, 770355), (285, 759543), (323, 670185), (477, 453815), (765, 282967), (795, 272289), (843, 256785), (855, 253181), (901, 240255), (969, 223395), (1007, 214965), (1405, 154071), (1615, 134037), (2385, 90763), (2529, 85595), (2703, 80085), (2907, 74465), (3021, 71655), (4215, 51357), (4505, 48051), (4777, 45315), (4845, 44679), (5035, 42993), (5339, 40545), (8109, 26695), (9063, 23885), (12645, 17119), (13515, 16017), (14331, 15105), (14535, 14893)]