39693945

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 70963200

約数和(自身を除く): 31269255

約数列:

[1, 3, 5, 15, 19, 41, 43, 57, 79, 95, 123, 129, 205, 215, 237, 285, 395, 615, 645, 779, 817, 1185, 1501, 1763, 2337, 2451, 3239, 3397, 3895, 4085, 4503, 5289, 7505, 8815, 9717, 10191, 11685, 12255, 16195, 16985, 22515, 26445, 33497, 48585, 50955, 61541, 64543, 100491, 139277, 167485, 184623, 193629, 307705, 322715, 417831, 502455, 696385, 923115, 968145, 2089155, 2646263, 7938789, 13231315, 39693945]

約数ペア:

[(1, 39693945), (3, 13231315), (5, 7938789), (15, 2646263), (19, 2089155), (41, 968145), (43, 923115), (57, 696385), (79, 502455), (95, 417831), (123, 322715), (129, 307705), (205, 193629), (215, 184623), (237, 167485), (285, 139277), (395, 100491), (615, 64543), (645, 61541), (779, 50955), (817, 48585), (1185, 33497), (1501, 26445), (1763, 22515), (2337, 16985), (2451, 16195), (3239, 12255), (3397, 11685), (3895, 10191), (4085, 9717), (4503, 8815), (5289, 7505)]