80999775

素因数分解:

$3^2\times 5^2\times {\mathrm{599}}^1\times {\mathrm{601}}^1$

素因数の和:1216

約数の個数: 36

約数和(自身を含む): 145563600

約数和(自身を除く): 64563825

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 599, 601, 1797, 1803, 2995, 3005, 5391, 5409, 8985, 9015, 14975, 15025, 26955, 27045, 44925, 45075, 134775, 135225, 359999, 1079997, 1799995, 3239991, 5399985, 8999975, 16199955, 26999925, 80999775]

約数ペア:

[(1, 80999775), (3, 26999925), (5, 16199955), (9, 8999975), (15, 5399985), (25, 3239991), (45, 1799995), (75, 1079997), (225, 359999), (599, 135225), (601, 134775), (1797, 45075), (1803, 44925), (2995, 27045), (3005, 26955), (5391, 15025), (5409, 14975), (8985, 9015)]