156528981

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 276736824

約数和(自身を除く): 120207843

約数列:

[1, 3, 7, 9, 21, 37, 49, 53, 63, 111, 147, 159, 181, 259, 333, 371, 441, 477, 543, 777, 1113, 1267, 1629, 1813, 1961, 2331, 2597, 3339, 3801, 5439, 5883, 6697, 7791, 8869, 9593, 11403, 13727, 16317, 17649, 20091, 23373, 26607, 28779, 41181, 46879, 60273, 67151, 79821, 86337, 96089, 123543, 140637, 201453, 288267, 328153, 354941, 421911, 470057, 604359, 864801, 984459, 1064823, 1410171, 2484587, 2953377, 3194469, 4230513, 7453761, 17392109, 22361283, 52176327, 156528981]

約数ペア:

[(1, 156528981), (3, 52176327), (7, 22361283), (9, 17392109), (21, 7453761), (37, 4230513), (49, 3194469), (53, 2953377), (63, 2484587), (111, 1410171), (147, 1064823), (159, 984459), (181, 864801), (259, 604359), (333, 470057), (371, 421911), (441, 354941), (477, 328153), (543, 288267), (777, 201453), (1113, 140637), (1267, 123543), (1629, 96089), (1813, 86337), (1961, 79821), (2331, 67151), (2597, 60273), (3339, 46879), (3801, 41181), (5439, 28779), (5883, 26607), (6697, 23373), (7791, 20091), (8869, 17649), (9593, 16317), (11403, 13727)]