28373571

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 44953920

約数和(自身を除く): 16580349

約数列:

[1, 3, 9, 27, 29, 47, 81, 87, 141, 257, 261, 423, 771, 783, 1269, 1363, 2313, 2349, 3807, 4089, 6939, 7453, 12079, 12267, 20817, 22359, 36237, 36801, 67077, 108711, 110403, 201231, 326133, 350291, 603693, 978399, 1050873, 3152619, 9457857, 28373571]

約数ペア:

[(1, 28373571), (3, 9457857), (9, 3152619), (27, 1050873), (29, 978399), (47, 603693), (81, 350291), (87, 326133), (141, 201231), (257, 110403), (261, 108711), (423, 67077), (771, 36801), (783, 36237), (1269, 22359), (1363, 20817), (2313, 12267), (2349, 12079), (3807, 7453), (4089, 6939)]