40209351

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 68602464

約数和(自身を除く): 28393113

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 91, 147, 159, 273, 371, 397, 637, 689, 1113, 1191, 1911, 2067, 2597, 2779, 4823, 5161, 7791, 8337, 14469, 15483, 19453, 21041, 33761, 36127, 58359, 63123, 101283, 108381, 147287, 252889, 273533, 441861, 758667, 820599, 1031009, 1914731, 3093027, 5744193, 13403117, 40209351]

約数ペア:

[(1, 40209351), (3, 13403117), (7, 5744193), (13, 3093027), (21, 1914731), (39, 1031009), (49, 820599), (53, 758667), (91, 441861), (147, 273533), (159, 252889), (273, 147287), (371, 108381), (397, 101283), (637, 63123), (689, 58359), (1113, 36127), (1191, 33761), (1911, 21041), (2067, 19453), (2597, 15483), (2779, 14469), (4823, 8337), (5161, 7791)]