72190083

素因数分解:

$3^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{1237}}^1$

素因数の和:1651

約数の個数: 24

約数和(自身を含む): 112341072

約数和(自身を除く): 40150989

約数列:

[1, 3, 7, 21, 49, 147, 397, 1191, 1237, 2779, 3711, 8337, 8659, 19453, 25977, 58359, 60613, 181839, 491089, 1473267, 3437623, 10312869, 24063361, 72190083]

約数ペア:

[(1, 72190083), (3, 24063361), (7, 10312869), (21, 3437623), (49, 1473267), (147, 491089), (397, 181839), (1191, 60613), (1237, 58359), (2779, 25977), (3711, 19453), (8337, 8659)]