128294025

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 219033600

約数和(自身を除く): 90739575

約数列:

[1, 3, 5, 15, 25, 59, 75, 79, 177, 237, 295, 367, 395, 885, 1101, 1185, 1475, 1835, 1975, 4425, 4661, 5505, 5925, 9175, 13983, 21653, 23305, 27525, 28993, 64959, 69915, 86979, 108265, 116525, 144965, 324795, 349575, 434895, 541325, 724825, 1623975, 1710587, 2174475, 5131761, 8552935, 25658805, 42764675, 128294025]

約数ペア:

[(1, 128294025), (3, 42764675), (5, 25658805), (15, 8552935), (25, 5131761), (59, 2174475), (75, 1710587), (79, 1623975), (177, 724825), (237, 541325), (295, 434895), (367, 349575), (395, 324795), (885, 144965), (1101, 116525), (1185, 108265), (1475, 86979), (1835, 69915), (1975, 64959), (4425, 28993), (4661, 27525), (5505, 23305), (5925, 21653), (9175, 13983)]