771492015

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{797}}^1$

素因数の和:1261

約数の個数: 72

約数和(自身を含む): 1561079520

約数和(自身を除く): 789587505

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 439, 441, 735, 797, 1317, 2195, 2205, 2391, 3073, 3951, 3985, 5579, 6585, 7173, 9219, 11955, 15365, 16737, 19755, 21511, 27657, 27895, 35865, 39053, 46095, 50211, 64533, 83685, 107555, 117159, 138285, 193599, 195265, 251055, 322665, 349883, 351477, 585795, 967995, 1049649, 1749415, 1757385, 2449181, 3148947, 5248245, 7347543, 12245905, 15744735, 17144267, 22042629, 36737715, 51432801, 85721335, 110213145, 154298403, 257164005, 771492015]

約数ペア:

[(1, 771492015), (3, 257164005), (5, 154298403), (7, 110213145), (9, 85721335), (15, 51432801), (21, 36737715), (35, 22042629), (45, 17144267), (49, 15744735), (63, 12245905), (105, 7347543), (147, 5248245), (245, 3148947), (315, 2449181), (439, 1757385), (441, 1749415), (735, 1049649), (797, 967995), (1317, 585795), (2195, 351477), (2205, 349883), (2391, 322665), (3073, 251055), (3951, 195265), (3985, 193599), (5579, 138285), (6585, 117159), (7173, 107555), (9219, 83685), (11955, 64533), (15365, 50211), (16737, 46095), (19755, 39053), (21511, 35865), (27657, 27895)]