81093090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207931}}^1$

素因数の和:207954

約数の個数: 32

約数和(自身を含む): 209595456

約数和(自身を除く): 128502366

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 207931, 415862, 623793, 1039655, 1247586, 2079310, 2703103, 3118965, 5406206, 6237930, 8109309, 13515515, 16218618, 27031030, 40546545, 81093090]

約数ペア:

[(1, 81093090), (2, 40546545), (3, 27031030), (5, 16218618), (6, 13515515), (10, 8109309), (13, 6237930), (15, 5406206), (26, 3118965), (30, 2703103), (39, 2079310), (65, 1247586), (78, 1039655), (130, 623793), (195, 415862), (390, 207931)]