1688049014985

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{1640021}}^1$

素因数の和:1640378

約数の個数: 48

約数和(自身を含む): 2970342245520

約数和(自身を除く): 1282293230535

約数列:

[1, 3, 5, 9, 15, 45, 89, 257, 267, 445, 771, 801, 1285, 1335, 2313, 3855, 4005, 11565, 22873, 68619, 114365, 205857, 343095, 1029285, 1640021, 4920063, 8200105, 14760189, 24600315, 73800945, 145961869, 421485397, 437885607, 729809345, 1264456191, 1313656821, 2107426985, 2189428035, 3793368573, 6322280955, 6568284105, 18966842865, 37512200333, 112536600999, 187561001665, 337609802997, 562683004995, 1688049014985]

約数ペア:

[(1, 1688049014985), (3, 562683004995), (5, 337609802997), (9, 187561001665), (15, 112536600999), (45, 37512200333), (89, 18966842865), (257, 6568284105), (267, 6322280955), (445, 3793368573), (771, 2189428035), (801, 2107426985), (1285, 1313656821), (1335, 1264456191), (2313, 729809345), (3855, 437885607), (4005, 421485397), (11565, 145961869), (22873, 73800945), (68619, 24600315), (114365, 14760189), (205857, 8200105), (343095, 4920063), (1029285, 1640021)]