27881445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2063}}^1$

素因数の和:2141

約数の個数: 32

約数和(自身を含む): 48148992

約数和(自身を除く): 20267547

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 2063, 2703, 4505, 6189, 10315, 13515, 30945, 35071, 105213, 109339, 175355, 328017, 526065, 546695, 1640085, 1858763, 5576289, 9293815, 27881445]

約数ペア:

[(1, 27881445), (3, 9293815), (5, 5576289), (15, 1858763), (17, 1640085), (51, 546695), (53, 526065), (85, 328017), (159, 175355), (255, 109339), (265, 105213), (795, 35071), (901, 30945), (2063, 13515), (2703, 10315), (4505, 6189)]