172912905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1289}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 328423680

約数和(自身を除く): 155510775

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 271, 495, 813, 1289, 1355, 2439, 2981, 3867, 4065, 6445, 8943, 11601, 12195, 14179, 14905, 19335, 26829, 42537, 44715, 58005, 70895, 127611, 134145, 212685, 349319, 638055, 1047957, 1746595, 3143871, 3842509, 5239785, 11527527, 15719355, 19212545, 34582581, 57637635, 172912905]

約数ペア:

[(1, 172912905), (3, 57637635), (5, 34582581), (9, 19212545), (11, 15719355), (15, 11527527), (33, 5239785), (45, 3842509), (55, 3143871), (99, 1746595), (165, 1047957), (271, 638055), (495, 349319), (813, 212685), (1289, 134145), (1355, 127611), (2439, 70895), (2981, 58005), (3867, 44715), (4065, 42537), (6445, 26829), (8943, 19335), (11601, 14905), (12195, 14179)]