223673985

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 411428160

約数和(自身を除く): 187754175

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 131, 171, 285, 393, 655, 855, 1179, 1965, 1997, 2489, 5895, 5991, 7467, 9985, 12445, 17973, 22401, 29955, 37335, 37943, 89865, 112005, 113829, 189715, 261607, 341487, 569145, 784821, 1308035, 1707435, 2354463, 3924105, 4970533, 11772315, 14911599, 24852665, 44734797, 74557995, 223673985]

約数ペア:

[(1, 223673985), (3, 74557995), (5, 44734797), (9, 24852665), (15, 14911599), (19, 11772315), (45, 4970533), (57, 3924105), (95, 2354463), (131, 1707435), (171, 1308035), (285, 784821), (393, 569145), (655, 341487), (855, 261607), (1179, 189715), (1965, 113829), (1997, 112005), (2489, 89865), (5895, 37943), (5991, 37335), (7467, 29955), (9985, 22401), (12445, 17973)]