620348547

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{383}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 1083801600

約数和(自身を除く): 463453053

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 349, 357, 383, 663, 1047, 1149, 1547, 2443, 2681, 4537, 4641, 4979, 5933, 6511, 7329, 8043, 13611, 14937, 17799, 19533, 31759, 34853, 41531, 45577, 77129, 84643, 95277, 104559, 124593, 133667, 136731, 231387, 253929, 401001, 539903, 592501, 935669, 1619709, 1737671, 1777503, 2272339, 2807007, 5213013, 6817017, 12163697, 15906373, 29540407, 36491091, 47719119, 88621221, 206782849, 620348547]

約数ペア:

[(1, 620348547), (3, 206782849), (7, 88621221), (13, 47719119), (17, 36491091), (21, 29540407), (39, 15906373), (51, 12163697), (91, 6817017), (119, 5213013), (221, 2807007), (273, 2272339), (349, 1777503), (357, 1737671), (383, 1619709), (663, 935669), (1047, 592501), (1149, 539903), (1547, 401001), (2443, 253929), (2681, 231387), (4537, 136731), (4641, 133667), (4979, 124593), (5933, 104559), (6511, 95277), (7329, 84643), (8043, 77129), (13611, 45577), (14937, 41531), (17799, 34853), (19533, 31759)]