688017987

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{421}}^1\times {\mathrm{503}}^1$

素因数の和:968

約数の個数: 36

約数和(自身を含む): 1053443664

約数和(自身を除く): 365425677

約数列:

[1, 3, 9, 19, 57, 171, 361, 421, 503, 1083, 1263, 1509, 3249, 3789, 4527, 7999, 9557, 23997, 28671, 71991, 86013, 151981, 181583, 211763, 455943, 544749, 635289, 1367829, 1634247, 1905867, 4023497, 12070491, 36211473, 76446443, 229339329, 688017987]

約数ペア:

[(1, 688017987), (3, 229339329), (9, 76446443), (19, 36211473), (57, 12070491), (171, 4023497), (361, 1905867), (421, 1634247), (503, 1367829), (1083, 635289), (1263, 544749), (1509, 455943), (3249, 211763), (3789, 181583), (4527, 151981), (7999, 86013), (9557, 71991), (23997, 28671)]