202191885

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1951}}^1$

素因数の和:2023

約数の個数: 72

約数和(自身を含む): 416572416

約数和(自身を除く): 214380531

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 49, 63, 105, 141, 147, 235, 245, 315, 329, 423, 441, 705, 735, 987, 1645, 1951, 2115, 2205, 2303, 2961, 4935, 5853, 6909, 9755, 11515, 13657, 14805, 17559, 20727, 29265, 34545, 40971, 68285, 87795, 91697, 95599, 103635, 122913, 204855, 275091, 286797, 458485, 477995, 614565, 641879, 825273, 860391, 1375455, 1433985, 1925637, 3209395, 4126365, 4301955, 4493153, 5776911, 9628185, 13479459, 22465765, 28884555, 40438377, 67397295, 202191885]

約数ペア:

[(1, 202191885), (3, 67397295), (5, 40438377), (7, 28884555), (9, 22465765), (15, 13479459), (21, 9628185), (35, 5776911), (45, 4493153), (47, 4301955), (49, 4126365), (63, 3209395), (105, 1925637), (141, 1433985), (147, 1375455), (235, 860391), (245, 825273), (315, 641879), (329, 614565), (423, 477995), (441, 458485), (705, 286797), (735, 275091), (987, 204855), (1645, 122913), (1951, 103635), (2115, 95599), (2205, 91697), (2303, 87795), (2961, 68285), (4935, 40971), (5853, 34545), (6909, 29265), (9755, 20727), (11515, 17559), (13657, 14805)]