231577905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 426424320

約数和(自身を除く): 194846415

約数列:

[1, 3, 5, 13, 15, 29, 31, 39, 65, 87, 93, 145, 155, 195, 377, 403, 435, 465, 899, 1131, 1209, 1321, 1885, 2015, 2697, 3963, 4495, 5655, 6045, 6605, 11687, 13485, 17173, 19815, 35061, 38309, 40951, 51519, 58435, 85865, 114927, 122853, 175305, 191545, 204755, 257595, 498017, 532363, 574635, 614265, 1187579, 1494051, 1597089, 2490085, 2661815, 3562737, 5937895, 7470255, 7985445, 15438527, 17813685, 46315581, 77192635, 231577905]

約数ペア:

[(1, 231577905), (3, 77192635), (5, 46315581), (13, 17813685), (15, 15438527), (29, 7985445), (31, 7470255), (39, 5937895), (65, 3562737), (87, 2661815), (93, 2490085), (145, 1597089), (155, 1494051), (195, 1187579), (377, 614265), (403, 574635), (435, 532363), (465, 498017), (899, 257595), (1131, 204755), (1209, 191545), (1321, 175305), (1885, 122853), (2015, 114927), (2697, 85865), (3963, 58435), (4495, 51519), (5655, 40951), (6045, 38309), (6605, 35061), (11687, 19815), (13485, 17173)]