128790225

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 246984192

約数和(自身を除く): 118193967

約数列:

[1, 3, 5, 9, 15, 23, 25, 41, 45, 69, 75, 115, 123, 205, 207, 225, 345, 369, 575, 607, 615, 943, 1025, 1035, 1725, 1821, 1845, 2829, 3035, 3075, 4715, 5175, 5463, 8487, 9105, 9225, 13961, 14145, 15175, 23575, 24887, 27315, 41883, 42435, 45525, 69805, 70725, 74661, 124435, 125649, 136575, 209415, 212175, 223983, 349025, 373305, 572401, 622175, 628245, 1047075, 1119915, 1717203, 1866525, 2862005, 3141225, 5151609, 5599575, 8586015, 14310025, 25758045, 42930075, 128790225]

約数ペア:

[(1, 128790225), (3, 42930075), (5, 25758045), (9, 14310025), (15, 8586015), (23, 5599575), (25, 5151609), (41, 3141225), (45, 2862005), (69, 1866525), (75, 1717203), (115, 1119915), (123, 1047075), (205, 628245), (207, 622175), (225, 572401), (345, 373305), (369, 349025), (575, 223983), (607, 212175), (615, 209415), (943, 136575), (1025, 125649), (1035, 124435), (1725, 74661), (1821, 70725), (1845, 69805), (2829, 45525), (3035, 42435), (3075, 41883), (4715, 27315), (5175, 24887), (5463, 23575), (8487, 15175), (9105, 14145), (9225, 13961)]