78816009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 117043200

約数和(自身を除く): 38227191

約数列:

[1, 3, 19, 23, 57, 69, 79, 237, 437, 761, 1311, 1501, 1817, 2283, 4503, 5451, 14459, 17503, 34523, 43377, 52509, 60119, 103569, 180357, 332557, 997671, 1142261, 1382737, 3426783, 4148211, 26272003, 78816009]

約数ペア:

[(1, 78816009), (3, 26272003), (19, 4148211), (23, 3426783), (57, 1382737), (69, 1142261), (79, 997671), (237, 332557), (437, 180357), (761, 103569), (1311, 60119), (1501, 52509), (1817, 43377), (2283, 34523), (4503, 17503), (5451, 14459)]