201915693

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 356106240

約数和(自身を除く): 154190547

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 71, 123, 189, 213, 287, 367, 369, 497, 639, 861, 1101, 1107, 1491, 1917, 2569, 2583, 2911, 3303, 4473, 7707, 7749, 8733, 9909, 13419, 15047, 20377, 23121, 26057, 26199, 45141, 61131, 69363, 78171, 78597, 105329, 135423, 182399, 183393, 234513, 315987, 406269, 547197, 550179, 703539, 947961, 1068337, 1641591, 2843883, 3205011, 4924773, 7478359, 9615033, 22435077, 28845099, 67305231, 201915693]

約数ペア:

[(1, 201915693), (3, 67305231), (7, 28845099), (9, 22435077), (21, 9615033), (27, 7478359), (41, 4924773), (63, 3205011), (71, 2843883), (123, 1641591), (189, 1068337), (213, 947961), (287, 703539), (367, 550179), (369, 547197), (497, 406269), (639, 315987), (861, 234513), (1101, 183393), (1107, 182399), (1491, 135423), (1917, 105329), (2569, 78597), (2583, 78171), (2911, 69363), (3303, 61131), (4473, 45141), (7707, 26199), (7749, 26057), (8733, 23121), (9909, 20377), (13419, 15047)]