307220.0000000

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 18662400

約数和(自身を除く): 9062415

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 47, 51, 85, 89, 135, 141, 153, 235, 255, 267, 423, 445, 459, 705, 765, 799, 801, 1269, 1335, 1513, 2115, 2295, 2397, 2403, 3995, 4005, 4183, 4539, 6345, 7191, 7565, 11985, 12015, 12549, 13617, 20915, 21573, 22695, 35955, 37647, 40851, 62745, 68085, 71111, 107865, 112941, 188235, 204255, 213333, 355555, 564705, 639999, 1066665, 1919997, 3199995, 9599985]

約数ペア:

[(1, 9599985), (3, 3199995), (5, 1919997), (9, 1066665), (15, 639999), (17, 564705), (27, 355555), (45, 213333), (47, 204255), (51, 188235), (85, 112941), (89, 107865), (135, 71111), (141, 68085), (153, 62745), (235, 40851), (255, 37647), (267, 35955), (423, 22695), (445, 21573), (459, 20915), (705, 13617), (765, 12549), (799, 12015), (801, 11985), (1269, 7565), (1335, 7191), (1513, 6345), (2115, 4539), (2295, 4183), (2397, 4005), (2403, 3995)]