8581419

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 16539120

約数和(自身を除く): 7957701

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 49, 61, 63, 77, 87, 99, 147, 183, 203, 231, 261, 319, 427, 441, 539, 549, 609, 671, 693, 957, 1281, 1421, 1617, 1769, 1827, 2013, 2233, 2871, 2989, 3843, 4263, 4697, 4851, 5307, 6039, 6699, 8967, 12383, 12789, 14091, 15631, 15921, 19459, 20097, 26901, 32879, 37149, 42273, 46893, 58377, 86681, 98637, 111447, 136213, 140679, 175131, 260043, 295911, 408639, 780129, 953491, 1225917, 2860473, 8581419]

約数ペア:

[(1, 8581419), (3, 2860473), (7, 1225917), (9, 953491), (11, 780129), (21, 408639), (29, 295911), (33, 260043), (49, 175131), (61, 140679), (63, 136213), (77, 111447), (87, 98637), (99, 86681), (147, 58377), (183, 46893), (203, 42273), (231, 37149), (261, 32879), (319, 26901), (427, 20097), (441, 19459), (539, 15921), (549, 15631), (609, 14091), (671, 12789), (693, 12383), (957, 8967), (1281, 6699), (1421, 6039), (1617, 5307), (1769, 4851), (1827, 4697), (2013, 4263), (2233, 3843), (2871, 2989)]