67871223

素因数分解:

$3^3\times 7^2\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 72

約数和(自身を含む): 123124560

約数和(自身を除く): 55253337

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 61, 63, 87, 147, 183, 189, 203, 261, 427, 441, 549, 609, 783, 841, 1281, 1323, 1421, 1647, 1769, 1827, 2523, 2989, 3843, 4263, 5307, 5481, 5887, 7569, 8967, 11529, 12383, 12789, 15921, 17661, 22707, 26901, 37149, 38367, 41209, 47763, 51301, 52983, 80703, 86681, 111447, 123627, 153903, 158949, 260043, 334341, 359107, 370881, 461709, 780129, 1077321, 1112643, 1385127, 2340387, 2513749, 3231963, 7541247, 9695889, 22623741, 67871223]

約数ペア:

[(1, 67871223), (3, 22623741), (7, 9695889), (9, 7541247), (21, 3231963), (27, 2513749), (29, 2340387), (49, 1385127), (61, 1112643), (63, 1077321), (87, 780129), (147, 461709), (183, 370881), (189, 359107), (203, 334341), (261, 260043), (427, 158949), (441, 153903), (549, 123627), (609, 111447), (783, 86681), (841, 80703), (1281, 52983), (1323, 51301), (1421, 47763), (1647, 41209), (1769, 38367), (1827, 37149), (2523, 26901), (2989, 22707), (3843, 17661), (4263, 15921), (5307, 12789), (5481, 12383), (5887, 11529), (7569, 8967)]