79902009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 130223808

約数和(自身を除く): 50321799

約数列:

[1, 3, 9, 11, 33, 61, 99, 101, 131, 183, 303, 393, 549, 671, 909, 1111, 1179, 1441, 2013, 3333, 4323, 6039, 6161, 7991, 9999, 12969, 13231, 18483, 23973, 39693, 55449, 67771, 71919, 87901, 119079, 145541, 203313, 263703, 436623, 609939, 791109, 807091, 1309869, 2421273, 7263819, 8878001, 26634003, 79902009]

約数ペア:

[(1, 79902009), (3, 26634003), (9, 8878001), (11, 7263819), (33, 2421273), (61, 1309869), (99, 807091), (101, 791109), (131, 609939), (183, 436623), (303, 263703), (393, 203313), (549, 145541), (671, 119079), (909, 87901), (1111, 71919), (1179, 67771), (1441, 55449), (2013, 39693), (3333, 23973), (4323, 18483), (6039, 13231), (6161, 12969), (7991, 9999)]