201966975

素因数分解:

$3^2\times 5^2\times 7^3\times {\mathrm{2617}}^1$

素因数の和:2654

約数の個数: 72

約数和(自身を含む): 422021600

約数和(自身を除く): 220054625

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 343, 441, 525, 735, 1029, 1225, 1575, 1715, 2205, 2617, 3087, 3675, 5145, 7851, 8575, 11025, 13085, 15435, 18319, 23553, 25725, 39255, 54957, 65425, 77175, 91595, 117765, 128233, 164871, 196275, 274785, 384699, 457975, 588825, 641165, 824355, 897631, 1154097, 1373925, 1923495, 2692893, 3205825, 4121775, 4488155, 5770485, 8078679, 9617475, 13464465, 22440775, 28852425, 40393395, 67322325, 201966975]

約数ペア:

[(1, 201966975), (3, 67322325), (5, 40393395), (7, 28852425), (9, 22440775), (15, 13464465), (21, 9617475), (25, 8078679), (35, 5770485), (45, 4488155), (49, 4121775), (63, 3205825), (75, 2692893), (105, 1923495), (147, 1373925), (175, 1154097), (225, 897631), (245, 824355), (315, 641165), (343, 588825), (441, 457975), (525, 384699), (735, 274785), (1029, 196275), (1225, 164871), (1575, 128233), (1715, 117765), (2205, 91595), (2617, 77175), (3087, 65425), (3675, 54957), (5145, 39255), (7851, 25725), (8575, 23553), (11025, 18319), (13085, 15435)]