193141845

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19421}}^1$

素因数の和:19462

約数の個数: 48

約数和(自身を含む): 381758832

約数和(自身を除く): 188616987

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 9945, 19421, 58263, 97105, 174789, 252473, 291315, 330157, 757419, 873945, 990471, 1262365, 1650785, 2272257, 2971413, 3787095, 4292041, 4952355, 11361285, 12876123, 14857065, 21460205, 38628369, 64380615, 193141845]

約数ペア:

[(1, 193141845), (3, 64380615), (5, 38628369), (9, 21460205), (13, 14857065), (15, 12876123), (17, 11361285), (39, 4952355), (45, 4292041), (51, 3787095), (65, 2971413), (85, 2272257), (117, 1650785), (153, 1262365), (195, 990471), (221, 873945), (255, 757419), (585, 330157), (663, 291315), (765, 252473), (1105, 174789), (1989, 97105), (3315, 58263), (9945, 19421)]