221566455

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4813}}^1$

素因数の和:4869

約数の個数: 64

約数和(自身を含む): 443658240

約数和(自身を除く): 222091785

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 45, 55, 93, 99, 135, 155, 165, 279, 297, 341, 465, 495, 837, 1023, 1395, 1485, 1705, 3069, 4185, 4813, 5115, 9207, 14439, 15345, 24065, 43317, 46035, 52943, 72195, 129951, 149203, 158829, 216585, 264715, 447609, 476487, 649755, 746015, 794145, 1342827, 1429461, 1641233, 2238045, 2382435, 4028481, 4923699, 6714135, 7147305, 8206165, 14771097, 20142405, 24618495, 44313291, 73855485, 221566455]

約数ペア:

[(1, 221566455), (3, 73855485), (5, 44313291), (9, 24618495), (11, 20142405), (15, 14771097), (27, 8206165), (31, 7147305), (33, 6714135), (45, 4923699), (55, 4028481), (93, 2382435), (99, 2238045), (135, 1641233), (155, 1429461), (165, 1342827), (279, 794145), (297, 746015), (341, 649755), (465, 476487), (495, 447609), (837, 264715), (1023, 216585), (1395, 158829), (1485, 149203), (1705, 129951), (3069, 72195), (4185, 52943), (4813, 46035), (5115, 43317), (9207, 24065), (14439, 15345)]