63215721

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 99590400

約数和(自身を除く): 36374679

約数列:

[1, 3, 9, 27, 37, 79, 81, 89, 111, 237, 243, 267, 333, 711, 801, 999, 2133, 2403, 2923, 2997, 3293, 6399, 7031, 7209, 8769, 8991, 9879, 19197, 21093, 21627, 26307, 29637, 63279, 78921, 88911, 189837, 236763, 260147, 266733, 569511, 710289, 780441, 800199, 1708533, 2341323, 7023969, 21071907, 63215721]

約数ペア:

[(1, 63215721), (3, 21071907), (9, 7023969), (27, 2341323), (37, 1708533), (79, 800199), (81, 780441), (89, 710289), (111, 569511), (237, 266733), (243, 260147), (267, 236763), (333, 189837), (711, 88911), (801, 78921), (999, 63279), (2133, 29637), (2403, 26307), (2923, 21627), (2997, 21093), (3293, 19197), (6399, 9879), (7031, 8991), (7209, 8769)]