321503742

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{509}}^1\times {\mathrm{557}}^1$

素因数の和:1087

約数の個数: 80

約数和(自身を含む): 826420320

約数和(自身を除く): 504916578

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 509, 557, 567, 1018, 1114, 1134, 1527, 1671, 3054, 3342, 3563, 3899, 4581, 5013, 7126, 7798, 9162, 10026, 10689, 11697, 13743, 15039, 21378, 23394, 27486, 30078, 32067, 35091, 41229, 45117, 64134, 70182, 82458, 90234, 96201, 105273, 192402, 210546, 283513, 288603, 315819, 567026, 577206, 631638, 850539, 1701078, 1984591, 2551617, 3969182, 5103234, 5953773, 7654851, 11907546, 15309702, 17861319, 22964553, 35722638, 45929106, 53583957, 107167914, 160751871, 321503742]

約数ペア:

[(1, 321503742), (2, 160751871), (3, 107167914), (6, 53583957), (7, 45929106), (9, 35722638), (14, 22964553), (18, 17861319), (21, 15309702), (27, 11907546), (42, 7654851), (54, 5953773), (63, 5103234), (81, 3969182), (126, 2551617), (162, 1984591), (189, 1701078), (378, 850539), (509, 631638), (557, 577206), (567, 567026), (1018, 315819), (1114, 288603), (1134, 283513), (1527, 210546), (1671, 192402), (3054, 105273), (3342, 96201), (3563, 90234), (3899, 82458), (4581, 70182), (5013, 64134), (7126, 45117), (7798, 41229), (9162, 35091), (10026, 32067), (10689, 30078), (11697, 27486), (13743, 23394), (15039, 21378)]