27890455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 37231488

約数和(自身を除く): 9341033

約数列:

[1, 5, 17, 41, 53, 85, 151, 205, 265, 697, 755, 901, 2173, 2567, 3485, 4505, 6191, 8003, 10865, 12835, 30955, 36941, 40015, 105247, 136051, 184705, 328123, 526235, 680255, 1640615, 5578091, 27890455]

約数ペア:

[(1, 27890455), (5, 5578091), (17, 1640615), (41, 680255), (53, 526235), (85, 328123), (151, 184705), (205, 136051), (265, 105247), (697, 40015), (755, 36941), (901, 30955), (2173, 12835), (2567, 10865), (3485, 8003), (4505, 6191)]