138656895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 243492480

約数和(自身を除く): 104835585

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 169, 195, 249, 415, 507, 659, 845, 1079, 1245, 1977, 2535, 3237, 3295, 5395, 8567, 9885, 14027, 16185, 25701, 42081, 42835, 54697, 70135, 111371, 128505, 164091, 210405, 273485, 334113, 556855, 711061, 820455, 1670565, 2133183, 3555305, 9243793, 10665915, 27731379, 46218965, 138656895]

約数ペア:

[(1, 138656895), (3, 46218965), (5, 27731379), (13, 10665915), (15, 9243793), (39, 3555305), (65, 2133183), (83, 1670565), (169, 820455), (195, 711061), (249, 556855), (415, 334113), (507, 273485), (659, 210405), (845, 164091), (1079, 128505), (1245, 111371), (1977, 70135), (2535, 54697), (3237, 42835), (3295, 42081), (5395, 25701), (8567, 16185), (9885, 14027)]