28481715

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 54003456

約数和(自身を除く): 25521741

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 85, 93, 153, 155, 255, 279, 465, 527, 765, 1201, 1395, 1581, 2635, 3603, 4743, 6005, 7905, 10809, 18015, 20417, 23715, 37231, 54045, 61251, 102085, 111693, 183753, 186155, 306255, 335079, 558465, 632927, 918765, 1675395, 1898781, 3164635, 5696343, 9493905, 28481715]

約数ペア:

[(1, 28481715), (3, 9493905), (5, 5696343), (9, 3164635), (15, 1898781), (17, 1675395), (31, 918765), (45, 632927), (51, 558465), (85, 335079), (93, 306255), (153, 186155), (155, 183753), (255, 111693), (279, 102085), (465, 61251), (527, 54045), (765, 37231), (1201, 23715), (1395, 20417), (1581, 18015), (2635, 10809), (3603, 7905), (4743, 6005)]