31518090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5741}}^1$

素因数の和:5815

約数の個数: 48

約数和(自身を含む): 83304936

約数和(自身を除く): 51786846

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 5741, 11482, 17223, 28705, 34446, 51669, 57410, 86115, 103338, 172230, 258345, 350201, 516690, 700402, 1050603, 1751005, 2101206, 3151809, 3502010, 5253015, 6303618, 10506030, 15759045, 31518090]

約数ペア:

[(1, 31518090), (2, 15759045), (3, 10506030), (5, 6303618), (6, 5253015), (9, 3502010), (10, 3151809), (15, 2101206), (18, 1751005), (30, 1050603), (45, 700402), (61, 516690), (90, 350201), (122, 258345), (183, 172230), (305, 103338), (366, 86115), (549, 57410), (610, 51669), (915, 34446), (1098, 28705), (1830, 17223), (2745, 11482), (5490, 5741)]