81562383

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 150078720

約数和(自身を除く): 68516337

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 67, 81, 113, 133, 171, 189, 201, 339, 399, 469, 513, 567, 603, 791, 1017, 1197, 1273, 1407, 1539, 1809, 2147, 2373, 3051, 3591, 3819, 4221, 5427, 6441, 7119, 7571, 8911, 9153, 10773, 11457, 12663, 15029, 19323, 21357, 22713, 26733, 34371, 37989, 45087, 52997, 57969, 64071, 68139, 80199, 103113, 135261, 143849, 158991, 173907, 204417, 240597, 405783, 431547, 476973, 613251, 721791, 1006943, 1217349, 1294641, 1430919, 3020829, 3883923, 4292757, 9062487, 11651769, 27187461, 81562383]

約数ペア:

[(1, 81562383), (3, 27187461), (7, 11651769), (9, 9062487), (19, 4292757), (21, 3883923), (27, 3020829), (57, 1430919), (63, 1294641), (67, 1217349), (81, 1006943), (113, 721791), (133, 613251), (171, 476973), (189, 431547), (201, 405783), (339, 240597), (399, 204417), (469, 173907), (513, 158991), (567, 143849), (603, 135261), (791, 103113), (1017, 80199), (1197, 68139), (1273, 64071), (1407, 57969), (1539, 52997), (1809, 45087), (2147, 37989), (2373, 34371), (3051, 26733), (3591, 22713), (3819, 21357), (4221, 19323), (5427, 15029), (6441, 12663), (7119, 11457), (7571, 10773), (8911, 9153)]