320414283

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 578335680

約数和(自身を除く): 257921397

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 79, 119, 147, 153, 237, 357, 441, 541, 553, 711, 833, 1071, 1343, 1623, 1659, 2499, 3787, 3871, 4029, 4869, 4977, 7497, 9197, 9401, 11361, 11613, 12087, 26509, 27591, 28203, 34083, 34839, 42739, 64379, 65807, 79527, 82773, 84609, 128217, 193137, 197421, 238581, 299173, 384651, 450653, 579411, 592263, 726563, 897519, 1351959, 2094211, 2179689, 2692557, 4055877, 5085941, 6282633, 6539067, 15257823, 18847899, 35601587, 45773469, 106804761, 320414283]

約数ペア:

[(1, 320414283), (3, 106804761), (7, 45773469), (9, 35601587), (17, 18847899), (21, 15257823), (49, 6539067), (51, 6282633), (63, 5085941), (79, 4055877), (119, 2692557), (147, 2179689), (153, 2094211), (237, 1351959), (357, 897519), (441, 726563), (541, 592263), (553, 579411), (711, 450653), (833, 384651), (1071, 299173), (1343, 238581), (1623, 197421), (1659, 193137), (2499, 128217), (3787, 84609), (3871, 82773), (4029, 79527), (4869, 65807), (4977, 64379), (7497, 42739), (9197, 34839), (9401, 34083), (11361, 28203), (11613, 27591), (12087, 26509)]