61402065

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4139}}^1$

素因数の和:4213

約数の個数: 32

約数和(自身を含む): 104924160

約数和(自身を除く): 43522095

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2967, 4139, 4945, 12417, 14835, 20695, 62085, 95197, 177977, 285591, 475985, 533931, 889885, 1427955, 2669655, 4093471, 12280413, 20467355, 61402065]

約数ペア:

[(1, 61402065), (3, 20467355), (5, 12280413), (15, 4093471), (23, 2669655), (43, 1427955), (69, 889885), (115, 533931), (129, 475985), (215, 285591), (345, 177977), (645, 95197), (989, 62085), (2967, 20695), (4139, 14835), (4945, 12417)]