81928566

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{547}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 182345904

約数和(自身を除く): 100417338

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 157, 159, 314, 318, 471, 477, 547, 942, 954, 1094, 1413, 1641, 2826, 3282, 4923, 8321, 9846, 16642, 24963, 28991, 49926, 57982, 74889, 85879, 86973, 149778, 171758, 173946, 257637, 260919, 515274, 521838, 772911, 1545822, 4551587, 9103174, 13654761, 27309522, 40964283, 81928566]

約数ペア:

[(1, 81928566), (2, 40964283), (3, 27309522), (6, 13654761), (9, 9103174), (18, 4551587), (53, 1545822), (106, 772911), (157, 521838), (159, 515274), (314, 260919), (318, 257637), (471, 173946), (477, 171758), (547, 149778), (942, 86973), (954, 85879), (1094, 74889), (1413, 57982), (1641, 49926), (2826, 28991), (3282, 24963), (4923, 16642), (8321, 9846)]