199442997

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 330810480

約数和(自身を除く): 131367483

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 197, 221, 509, 591, 663, 1527, 1773, 1989, 2561, 3349, 4581, 6617, 7683, 8653, 10047, 19851, 23049, 25959, 30141, 43537, 59553, 77877, 100273, 112489, 130611, 300819, 337467, 391833, 902457, 1012401, 1303549, 1704641, 3910647, 5113923, 11731941, 15341769, 22160333, 66480999, 199442997]

約数ペア:

[(1, 199442997), (3, 66480999), (9, 22160333), (13, 15341769), (17, 11731941), (39, 5113923), (51, 3910647), (117, 1704641), (153, 1303549), (197, 1012401), (221, 902457), (509, 391833), (591, 337467), (663, 300819), (1527, 130611), (1773, 112489), (1989, 100273), (2561, 77877), (3349, 59553), (4581, 43537), (6617, 30141), (7683, 25959), (8653, 23049), (10047, 19851)]