405435537

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:449

約数の個数: 56

約数和(自身を含む): 661046400

約数和(自身を除く): 255610863

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 179, 239, 243, 351, 537, 717, 729, 1053, 1611, 2151, 2327, 3107, 3159, 4833, 6453, 6981, 9321, 9477, 14499, 19359, 20943, 27963, 42781, 43497, 58077, 62829, 83889, 128343, 130491, 174231, 188487, 251667, 385029, 556153, 565461, 755001, 1155087, 1668459, 1696383, 2265003, 3465261, 5005377, 10395783, 15016131, 31187349, 45048393, 135145179, 405435537]

約数ペア:

[(1, 405435537), (3, 135145179), (9, 45048393), (13, 31187349), (27, 15016131), (39, 10395783), (81, 5005377), (117, 3465261), (179, 2265003), (239, 1696383), (243, 1668459), (351, 1155087), (537, 755001), (717, 565461), (729, 556153), (1053, 385029), (1611, 251667), (2151, 188487), (2327, 174231), (3107, 130491), (3159, 128343), (4833, 83889), (6453, 62829), (6981, 58077), (9321, 43497), (9477, 42781), (14499, 27963), (19359, 20943)]