220105995

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{821}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 359601984

約数和(自身を除く): 139495989

約数列:

[1, 3, 5, 15, 61, 183, 293, 305, 821, 879, 915, 1465, 2463, 4105, 4395, 12315, 17873, 50081, 53619, 89365, 150243, 240553, 250405, 268095, 721659, 751215, 1202765, 3608295, 14673733, 44021199, 73368665, 220105995]

約数ペア:

[(1, 220105995), (3, 73368665), (5, 44021199), (15, 14673733), (61, 3608295), (183, 1202765), (293, 751215), (305, 721659), (821, 268095), (879, 250405), (915, 240553), (1465, 150243), (2463, 89365), (4105, 53619), (4395, 50081), (12315, 17873)]