75220245

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2351}}^1$

素因数の和:2447

約数の個数: 40

約数和(自身を含む): 136604160

約数和(自身を除く): 61383915

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 2133, 2351, 3555, 6399, 7053, 10665, 11755, 21159, 31995, 35265, 63477, 105795, 185729, 190431, 317385, 557187, 928645, 952155, 1671561, 2785935, 5014683, 8357805, 15044049, 25073415, 75220245]

約数ペア:

[(1, 75220245), (3, 25073415), (5, 15044049), (9, 8357805), (15, 5014683), (27, 2785935), (45, 1671561), (79, 952155), (81, 928645), (135, 557187), (237, 317385), (395, 190431), (405, 185729), (711, 105795), (1185, 63477), (2133, 35265), (2351, 31995), (3555, 21159), (6399, 11755), (7053, 10665)]