28108395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 33218325

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 29, 35, 45, 51, 63, 85, 87, 105, 119, 145, 153, 181, 203, 255, 261, 315, 357, 435, 493, 543, 595, 609, 765, 905, 1015, 1071, 1267, 1305, 1479, 1629, 1785, 1827, 2465, 2715, 3045, 3077, 3451, 3801, 4437, 5249, 5355, 6335, 7395, 8145, 9135, 9231, 10353, 11403, 15385, 15747, 17255, 19005, 21539, 22185, 26245, 27693, 31059, 36743, 46155, 47241, 51765, 57015, 64617, 78735, 89233, 107695, 110229, 138465, 155295, 183715, 193851, 236205, 267699, 323085, 330687, 446165, 551145, 624631, 803097, 969255, 1338495, 1653435, 1873893, 3123155, 4015485, 5621679, 9369465, 28108395]

約数ペア:

[(1, 28108395), (3, 9369465), (5, 5621679), (7, 4015485), (9, 3123155), (15, 1873893), (17, 1653435), (21, 1338495), (29, 969255), (35, 803097), (45, 624631), (51, 551145), (63, 446165), (85, 330687), (87, 323085), (105, 267699), (119, 236205), (145, 193851), (153, 183715), (181, 155295), (203, 138465), (255, 110229), (261, 107695), (315, 89233), (357, 78735), (435, 64617), (493, 57015), (543, 51765), (595, 47241), (609, 46155), (765, 36743), (905, 31059), (1015, 27693), (1071, 26245), (1267, 22185), (1305, 21539), (1479, 19005), (1629, 17255), (1785, 15747), (1827, 15385), (2465, 11403), (2715, 10353), (3045, 9231), (3077, 9135), (3451, 8145), (3801, 7395), (4437, 6335), (5249, 5355)]