1276278315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{385001}}^1$

素因数の和:385039

約数の個数: 32

約数和(自身を含む): 2328492096

約数和(自身を除く): 1052213781

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 385001, 1155003, 1925005, 5005013, 5775015, 6545017, 15015039, 19635051, 25025065, 32725085, 75075195, 85085221, 98175255, 255255663, 425426105, 1276278315]

約数ペア:

[(1, 1276278315), (3, 425426105), (5, 255255663), (13, 98175255), (15, 85085221), (17, 75075195), (39, 32725085), (51, 25025065), (65, 19635051), (85, 15015039), (195, 6545017), (221, 5775015), (255, 5005013), (663, 1925005), (1105, 1155003), (3315, 385001)]