1621059939

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 2618542080

約数和(自身を除く): 997482141

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 163, 423, 459, 461, 489, 799, 1269, 1383, 1467, 2397, 2771, 4149, 4401, 7191, 7661, 7837, 8313, 12447, 21573, 21667, 22983, 23511, 24939, 65001, 68949, 70533, 74817, 75143, 130237, 195003, 206847, 211599, 225429, 368339, 390711, 585009, 676287, 1105017, 1172133, 1277431, 2028861, 3315051, 3516399, 3531721, 3832293, 9945153, 10595163, 11496879, 31785489, 34490637, 60039257, 95356467, 180117771, 540353313, 1621059939]

約数ペア:

[(1, 1621059939), (3, 540353313), (9, 180117771), (17, 95356467), (27, 60039257), (47, 34490637), (51, 31785489), (141, 11496879), (153, 10595163), (163, 9945153), (423, 3832293), (459, 3531721), (461, 3516399), (489, 3315051), (799, 2028861), (1269, 1277431), (1383, 1172133), (1467, 1105017), (2397, 676287), (2771, 585009), (4149, 390711), (4401, 368339), (7191, 225429), (7661, 211599), (7837, 206847), (8313, 195003), (12447, 130237), (21573, 75143), (21667, 74817), (22983, 70533), (23511, 68949), (24939, 65001)]