157220427

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 269660160

約数和(自身を除く): 112439733

約数列:

[1, 3, 7, 13, 21, 39, 43, 59, 91, 129, 177, 227, 273, 301, 413, 559, 681, 767, 903, 1239, 1589, 1677, 2301, 2537, 2951, 3913, 4767, 5369, 7611, 8853, 9761, 11739, 13393, 16107, 17759, 20657, 29283, 32981, 40179, 53277, 61971, 68327, 93751, 98943, 126893, 174109, 204981, 230867, 281253, 380679, 522327, 575899, 692601, 888251, 1218763, 1727697, 2664753, 3656289, 4031293, 7486687, 12093879, 22460061, 52406809, 157220427]

約数ペア:

[(1, 157220427), (3, 52406809), (7, 22460061), (13, 12093879), (21, 7486687), (39, 4031293), (43, 3656289), (59, 2664753), (91, 1727697), (129, 1218763), (177, 888251), (227, 692601), (273, 575899), (301, 522327), (413, 380679), (559, 281253), (681, 230867), (767, 204981), (903, 174109), (1239, 126893), (1589, 98943), (1677, 93751), (2301, 68327), (2537, 61971), (2951, 53277), (3913, 40179), (4767, 32981), (5369, 29283), (7611, 20657), (8853, 17759), (9761, 16107), (11739, 13393)]