30831795

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{983}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 58024512

約数和(自身を除く): 27192717

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 255, 369, 615, 697, 765, 983, 1845, 2091, 2949, 3485, 4915, 6273, 8847, 10455, 14745, 16711, 31365, 40303, 44235, 50133, 83555, 120909, 150399, 201515, 250665, 362727, 604545, 685151, 751995, 1813635, 2055453, 3425755, 6166359, 10277265, 30831795]

約数ペア:

[(1, 30831795), (3, 10277265), (5, 6166359), (9, 3425755), (15, 2055453), (17, 1813635), (41, 751995), (45, 685151), (51, 604545), (85, 362727), (123, 250665), (153, 201515), (205, 150399), (255, 120909), (369, 83555), (615, 50133), (697, 44235), (765, 40303), (983, 31365), (1845, 16711), (2091, 14745), (2949, 10455), (3485, 8847), (4915, 6273)]