3878685

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 7111896

約数和(自身を除く): 3233211

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 157, 183, 305, 405, 471, 549, 785, 915, 1413, 1647, 2355, 2745, 4239, 4941, 7065, 8235, 9577, 12717, 21195, 24705, 28731, 47885, 63585, 86193, 143655, 258579, 430965, 775737, 1292895, 3878685]

約数ペア:

[(1, 3878685), (3, 1292895), (5, 775737), (9, 430965), (15, 258579), (27, 143655), (45, 86193), (61, 63585), (81, 47885), (135, 28731), (157, 24705), (183, 21195), (305, 12717), (405, 9577), (471, 8235), (549, 7065), (785, 4941), (915, 4239), (1413, 2745), (1647, 2355)]