15731902557

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{787}}^1$

素因数の和:1047

約数の個数: 96

約数和(自身を含む): 27347054592

約数和(自身を除く): 11615152035

約数列:

[1, 3, 7, 9, 21, 43, 47, 63, 129, 141, 157, 301, 329, 387, 423, 471, 787, 903, 987, 1099, 1413, 2021, 2361, 2709, 2961, 3297, 5509, 6063, 6751, 7083, 7379, 9891, 14147, 16527, 18189, 20253, 22137, 33841, 36989, 42441, 47257, 49581, 51653, 60759, 66411, 101523, 110967, 123559, 127323, 141771, 154959, 236887, 258923, 304569, 317297, 332901, 370677, 425313, 464877, 710661, 776769, 864913, 951891, 1112031, 1590527, 2131983, 2221079, 2330307, 2594739, 2855673, 4771581, 5313037, 5807273, 6663237, 7784217, 11133689, 14314743, 15939111, 17421819, 19989711, 33401067, 37191259, 40650911, 47817333, 52265457, 100203201, 111573777, 121952733, 249712739, 334721331, 365858199, 749138217, 1747989173, 2247414651, 5243967519, 15731902557]

約数ペア:

[(1, 15731902557), (3, 5243967519), (7, 2247414651), (9, 1747989173), (21, 749138217), (43, 365858199), (47, 334721331), (63, 249712739), (129, 121952733), (141, 111573777), (157, 100203201), (301, 52265457), (329, 47817333), (387, 40650911), (423, 37191259), (471, 33401067), (787, 19989711), (903, 17421819), (987, 15939111), (1099, 14314743), (1413, 11133689), (2021, 7784217), (2361, 6663237), (2709, 5807273), (2961, 5313037), (3297, 4771581), (5509, 2855673), (6063, 2594739), (6751, 2330307), (7083, 2221079), (7379, 2131983), (9891, 1590527), (14147, 1112031), (16527, 951891), (18189, 864913), (20253, 776769), (22137, 710661), (33841, 464877), (36989, 425313), (42441, 370677), (47257, 332901), (49581, 317297), (51653, 304569), (60759, 258923), (66411, 236887), (101523, 154959), (110967, 141771), (123559, 127323)]