201647421

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 329011200

約数和(自身を除く): 127363779

約数列:

[1, 3, 9, 17, 27, 51, 67, 79, 83, 153, 201, 237, 249, 459, 603, 711, 747, 1139, 1343, 1411, 1809, 2133, 2241, 3417, 4029, 4233, 5293, 5561, 6557, 10251, 12087, 12699, 15879, 16683, 19671, 30753, 36261, 38097, 47637, 50049, 59013, 89981, 94537, 111469, 142911, 150147, 177039, 269943, 283611, 334407, 439319, 809829, 850833, 1003221, 1317957, 2429487, 2552499, 3009663, 3953871, 7468423, 11861613, 22405269, 67215807, 201647421]

約数ペア:

[(1, 201647421), (3, 67215807), (9, 22405269), (17, 11861613), (27, 7468423), (51, 3953871), (67, 3009663), (79, 2552499), (83, 2429487), (153, 1317957), (201, 1003221), (237, 850833), (249, 809829), (459, 439319), (603, 334407), (711, 283611), (747, 269943), (1139, 177039), (1343, 150147), (1411, 142911), (1809, 111469), (2133, 94537), (2241, 89981), (3417, 59013), (4029, 50049), (4233, 47637), (5293, 38097), (5561, 36261), (6557, 30753), (10251, 19671), (12087, 16683), (12699, 15879)]