64409163

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1801}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 106563072

約数和(自身を除く): 42153909

約数列:

[1, 3, 7, 13, 21, 39, 91, 131, 273, 393, 917, 1703, 1801, 2751, 5109, 5403, 11921, 12607, 23413, 35763, 37821, 70239, 163891, 235931, 491673, 707793, 1651517, 3067103, 4954551, 9201309, 21469721, 64409163]

約数ペア:

[(1, 64409163), (3, 21469721), (7, 9201309), (13, 4954551), (21, 3067103), (39, 1651517), (91, 707793), (131, 491673), (273, 235931), (393, 163891), (917, 70239), (1703, 37821), (1801, 35763), (2751, 23413), (5109, 12607), (5403, 11921)]