243345711

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{577}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 400623360

約数和(自身を除く): 157277649

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 151, 399, 453, 577, 931, 1057, 1731, 2793, 2869, 3171, 4039, 7399, 8607, 10963, 12117, 20083, 22197, 28273, 32889, 60249, 76741, 84819, 87127, 140581, 230223, 261381, 421743, 537187, 609889, 1611561, 1655413, 1829667, 4269223, 4966239, 11587891, 12807669, 34763673, 81115237, 243345711]

約数ペア:

[(1, 243345711), (3, 81115237), (7, 34763673), (19, 12807669), (21, 11587891), (49, 4966239), (57, 4269223), (133, 1829667), (147, 1655413), (151, 1611561), (399, 609889), (453, 537187), (577, 421743), (931, 261381), (1057, 230223), (1731, 140581), (2793, 87127), (2869, 84819), (3171, 76741), (4039, 60249), (7399, 32889), (8607, 28273), (10963, 22197), (12117, 20083)]