218801415

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 436147200

約数和(自身を除く): 217345785

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 43, 49, 69, 105, 115, 129, 147, 161, 215, 245, 301, 343, 345, 483, 645, 735, 805, 903, 989, 1029, 1127, 1505, 1715, 1849, 2107, 2415, 2967, 3381, 4515, 4945, 5145, 5547, 5635, 6321, 6923, 7889, 9245, 10535, 12943, 14749, 14835, 16905, 20769, 23667, 27735, 31605, 34615, 38829, 39445, 42527, 44247, 48461, 64715, 73745, 90601, 103845, 118335, 127581, 145383, 194145, 212635, 221235, 242305, 271803, 297689, 339227, 453005, 634207, 637905, 726915, 893067, 1017681, 1359015, 1488445, 1696135, 1902621, 2083823, 3171035, 4465335, 5088405, 6251469, 9513105, 10419115, 14586761, 31257345, 43760283, 72933805, 218801415]

約数ペア:

[(1, 218801415), (3, 72933805), (5, 43760283), (7, 31257345), (15, 14586761), (21, 10419115), (23, 9513105), (35, 6251469), (43, 5088405), (49, 4465335), (69, 3171035), (105, 2083823), (115, 1902621), (129, 1696135), (147, 1488445), (161, 1359015), (215, 1017681), (245, 893067), (301, 726915), (343, 637905), (345, 634207), (483, 453005), (645, 339227), (735, 297689), (805, 271803), (903, 242305), (989, 221235), (1029, 212635), (1127, 194145), (1505, 145383), (1715, 127581), (1849, 118335), (2107, 103845), (2415, 90601), (2967, 73745), (3381, 64715), (4515, 48461), (4945, 44247), (5145, 42527), (5547, 39445), (5635, 38829), (6321, 34615), (6923, 31605), (7889, 27735), (9245, 23667), (10535, 20769), (12943, 16905), (14749, 14835)]