86991405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{577}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 153424320

約数和(自身を除く): 66432915

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 529, 577, 1311, 1587, 1731, 2185, 2645, 2885, 6555, 7935, 8655, 10051, 10963, 13271, 30153, 32889, 39813, 50255, 54815, 66355, 150765, 164445, 199065, 252149, 305233, 756447, 915699, 1260745, 1526165, 3782235, 4578495, 5799427, 17398281, 28997135, 86991405]

約数ペア:

[(1, 86991405), (3, 28997135), (5, 17398281), (15, 5799427), (19, 4578495), (23, 3782235), (57, 1526165), (69, 1260745), (95, 915699), (115, 756447), (285, 305233), (345, 252149), (437, 199065), (529, 164445), (577, 150765), (1311, 66355), (1587, 54815), (1731, 50255), (2185, 39813), (2645, 32889), (2885, 30153), (6555, 13271), (7935, 10963), (8655, 10051)]