202040631

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 335409984

約数和(自身を除く): 133369353

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 157, 221, 471, 647, 663, 1413, 1941, 1989, 2041, 2669, 5823, 6123, 8007, 8411, 10999, 18369, 24021, 25233, 32997, 34697, 75699, 98991, 101579, 104091, 142987, 304737, 312273, 428961, 914211, 1286883, 1320527, 1726843, 3961581, 5180529, 11884743, 15541587, 22448959, 67346877, 202040631]

約数ペア:

[(1, 202040631), (3, 67346877), (9, 22448959), (13, 15541587), (17, 11884743), (39, 5180529), (51, 3961581), (117, 1726843), (153, 1320527), (157, 1286883), (221, 914211), (471, 428961), (647, 312273), (663, 304737), (1413, 142987), (1941, 104091), (1989, 101579), (2041, 98991), (2669, 75699), (5823, 34697), (6123, 32997), (8007, 25233), (8411, 24021), (10999, 18369)]