198916995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{15583}}^1$

素因数の和:15651

約数の個数: 32

約数和(自身を含む): 341102592

約数和(自身を除く): 142185597

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4255, 12765, 15583, 46749, 77915, 233745, 358409, 576571, 1075227, 1729713, 1792045, 2882855, 5376135, 8648565, 13261133, 39783399, 66305665, 198916995]

約数ペア:

[(1, 198916995), (3, 66305665), (5, 39783399), (15, 13261133), (23, 8648565), (37, 5376135), (69, 2882855), (111, 1792045), (115, 1729713), (185, 1075227), (345, 576571), (555, 358409), (851, 233745), (2553, 77915), (4255, 46749), (12765, 15583)]