69681990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{331819}}^1$

素因数の和:331836

約数の個数: 32

約数和(自身を含む): 191128320

約数和(自身を除く): 121446330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 331819, 663638, 995457, 1659095, 1990914, 2322733, 3318190, 4645466, 4977285, 6968199, 9954570, 11613665, 13936398, 23227330, 34840995, 69681990]

約数ペア:

[(1, 69681990), (2, 34840995), (3, 23227330), (5, 13936398), (6, 11613665), (7, 9954570), (10, 6968199), (14, 4977285), (15, 4645466), (21, 3318190), (30, 2322733), (35, 1990914), (42, 1659095), (70, 995457), (105, 663638), (210, 331819)]