16880955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 16987845

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 83, 91, 105, 149, 195, 249, 273, 415, 447, 455, 581, 745, 1043, 1079, 1245, 1365, 1743, 1937, 2235, 2905, 3129, 3237, 5215, 5395, 5811, 7553, 8715, 9685, 12367, 13559, 15645, 16185, 22659, 29055, 37101, 37765, 40677, 61835, 67795, 86569, 113295, 160771, 185505, 203385, 259707, 432845, 482313, 803855, 1125397, 1298535, 2411565, 3376191, 5626985, 16880955]

約数ペア:

[(1, 16880955), (3, 5626985), (5, 3376191), (7, 2411565), (13, 1298535), (15, 1125397), (21, 803855), (35, 482313), (39, 432845), (65, 259707), (83, 203385), (91, 185505), (105, 160771), (149, 113295), (195, 86569), (249, 67795), (273, 61835), (415, 40677), (447, 37765), (455, 37101), (581, 29055), (745, 22659), (1043, 16185), (1079, 15645), (1245, 13559), (1365, 12367), (1743, 9685), (1937, 8715), (2235, 7553), (2905, 5811), (3129, 5395), (3237, 5215)]