71798769

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 130659048

約数和(自身を除く): 58860279

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 61, 63, 119, 147, 153, 157, 183, 357, 427, 441, 471, 549, 833, 1037, 1071, 1099, 1281, 1413, 2499, 2669, 2989, 3111, 3297, 3843, 7259, 7497, 7693, 8007, 8967, 9333, 9577, 9891, 18683, 21777, 23079, 24021, 26901, 28731, 50813, 56049, 65331, 67039, 69237, 86193, 130781, 152439, 162809, 168147, 201117, 392343, 457317, 469273, 488427, 603351, 1139663, 1177029, 1407819, 1465281, 3418989, 4223457, 7977641, 10256967, 23932923, 71798769]

約数ペア:

[(1, 71798769), (3, 23932923), (7, 10256967), (9, 7977641), (17, 4223457), (21, 3418989), (49, 1465281), (51, 1407819), (61, 1177029), (63, 1139663), (119, 603351), (147, 488427), (153, 469273), (157, 457317), (183, 392343), (357, 201117), (427, 168147), (441, 162809), (471, 152439), (549, 130781), (833, 86193), (1037, 69237), (1071, 67039), (1099, 65331), (1281, 56049), (1413, 50813), (2499, 28731), (2669, 26901), (2989, 24021), (3111, 23079), (3297, 21777), (3843, 18683), (7259, 9891), (7497, 9577), (7693, 9333), (8007, 8967)]