31866939

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 52324272

約数和(自身を除く): 20457333

約数列:

[1, 3, 9, 13, 27, 39, 53, 81, 117, 159, 351, 477, 571, 689, 1053, 1431, 1713, 2067, 4293, 5139, 6201, 7423, 15417, 18603, 22269, 30263, 46251, 55809, 66807, 90789, 200421, 272367, 393419, 601263, 817101, 1180257, 2451303, 3540771, 10622313, 31866939]

約数ペア:

[(1, 31866939), (3, 10622313), (9, 3540771), (13, 2451303), (27, 1180257), (39, 817101), (53, 601263), (81, 393419), (117, 272367), (159, 200421), (351, 90789), (477, 66807), (571, 55809), (689, 46251), (1053, 30263), (1431, 22269), (1713, 18603), (2067, 15417), (4293, 7423), (5139, 6201)]