17971569225

素因数分解:

$3^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{128621}}^1$

素因数の和:128669

約数の個数: 72

約数和(自身を含む): 34832895552

約数和(自身を除く): 16861326327

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 243, 345, 405, 575, 621, 675, 1035, 1215, 1725, 1863, 2025, 3105, 5175, 5589, 6075, 9315, 15525, 27945, 46575, 128621, 139725, 385863, 643105, 1157589, 1929315, 2958283, 3215525, 3472767, 5787945, 8874849, 9646575, 10418301, 14791415, 17363835, 26624547, 28939725, 31254903, 44374245, 52091505, 73957075, 79873641, 86819175, 133122735, 156274515, 221871225, 239620923, 260457525, 399368205, 665613675, 718862769, 781372575, 1198104615, 1996841025, 3594313845, 5990523075, 17971569225]

約数ペア:

[(1, 17971569225), (3, 5990523075), (5, 3594313845), (9, 1996841025), (15, 1198104615), (23, 781372575), (25, 718862769), (27, 665613675), (45, 399368205), (69, 260457525), (75, 239620923), (81, 221871225), (115, 156274515), (135, 133122735), (207, 86819175), (225, 79873641), (243, 73957075), (345, 52091505), (405, 44374245), (575, 31254903), (621, 28939725), (675, 26624547), (1035, 17363835), (1215, 14791415), (1725, 10418301), (1863, 9646575), (2025, 8874849), (3105, 5787945), (5175, 3472767), (5589, 3215525), (6075, 2958283), (9315, 1929315), (15525, 1157589), (27945, 643105), (46575, 385863), (128621, 139725)]