207870645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{5471}}^1$

素因数の和:5645

約数の個数: 32

約数和(自身を含む): 354585600

約数和(自身を除く): 146714955

約数列:

[1, 3, 5, 15, 17, 51, 85, 149, 255, 447, 745, 2235, 2533, 5471, 7599, 12665, 16413, 27355, 37995, 82065, 93007, 279021, 465035, 815179, 1395105, 2445537, 4075895, 12227685, 13858043, 41574129, 69290215, 207870645]

約数ペア:

[(1, 207870645), (3, 69290215), (5, 41574129), (15, 13858043), (17, 12227685), (51, 4075895), (85, 2445537), (149, 1395105), (255, 815179), (447, 465035), (745, 279021), (2235, 93007), (2533, 82065), (5471, 37995), (7599, 27355), (12665, 16413)]