51223905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 94261440

約数和(自身を除く): 43037535

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 181, 285, 331, 543, 855, 905, 993, 1629, 1655, 2715, 2979, 3439, 4965, 6289, 8145, 10317, 14895, 17195, 18867, 30951, 31445, 51585, 56601, 59911, 94335, 154755, 179733, 283005, 299555, 539199, 898665, 1138309, 2695995, 3414927, 5691545, 10244781, 17074635, 51223905]

約数ペア:

[(1, 51223905), (3, 17074635), (5, 10244781), (9, 5691545), (15, 3414927), (19, 2695995), (45, 1138309), (57, 898665), (95, 539199), (171, 299555), (181, 283005), (285, 179733), (331, 154755), (543, 94335), (855, 59911), (905, 56601), (993, 51585), (1629, 31445), (1655, 30951), (2715, 18867), (2979, 17195), (3439, 14895), (4965, 10317), (6289, 8145)]