197882775

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 367903536

約数和(自身を除く): 170020761

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 113, 129, 181, 215, 225, 339, 387, 543, 565, 645, 905, 1017, 1075, 1629, 1695, 1935, 2715, 2825, 3225, 4525, 4859, 5085, 7783, 8145, 8475, 9675, 13575, 14577, 20453, 23349, 24295, 25425, 38915, 40725, 43731, 61359, 70047, 72885, 102265, 116745, 121475, 184077, 194575, 218655, 306795, 350235, 364425, 511325, 583725, 879479, 920385, 1093275, 1533975, 1751175, 2638437, 4397395, 4601925, 7915311, 13192185, 21986975, 39576555, 65960925, 197882775]

約数ペア:

[(1, 197882775), (3, 65960925), (5, 39576555), (9, 21986975), (15, 13192185), (25, 7915311), (43, 4601925), (45, 4397395), (75, 2638437), (113, 1751175), (129, 1533975), (181, 1093275), (215, 920385), (225, 879479), (339, 583725), (387, 511325), (543, 364425), (565, 350235), (645, 306795), (905, 218655), (1017, 194575), (1075, 184077), (1629, 121475), (1695, 116745), (1935, 102265), (2715, 72885), (2825, 70047), (3225, 61359), (4525, 43731), (4859, 40725), (5085, 38915), (7783, 25425), (8145, 24295), (8475, 23349), (9675, 20453), (13575, 14577)]