15754977

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 27675648

約数和(自身を除く): 11920671

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 83, 131, 161, 207, 249, 393, 483, 581, 747, 917, 1179, 1449, 1743, 1909, 2751, 3013, 5229, 5727, 8253, 9039, 10873, 13363, 17181, 21091, 27117, 32619, 40089, 63273, 76111, 97857, 120267, 189819, 228333, 250079, 684999, 750237, 1750553, 2250711, 5251659, 15754977]

約数ペア:

[(1, 15754977), (3, 5251659), (7, 2250711), (9, 1750553), (21, 750237), (23, 684999), (63, 250079), (69, 228333), (83, 189819), (131, 120267), (161, 97857), (207, 76111), (249, 63273), (393, 40089), (483, 32619), (581, 27117), (747, 21091), (917, 17181), (1179, 13363), (1449, 10873), (1743, 9039), (1909, 8253), (2751, 5727), (3013, 5229)]