247184775

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 473541120

約数和(自身を除く): 226356345

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 67, 75, 95, 171, 201, 225, 285, 335, 475, 603, 855, 863, 1005, 1273, 1425, 1675, 2589, 3015, 3819, 4275, 4315, 5025, 6365, 7767, 11457, 12945, 15075, 16397, 19095, 21575, 31825, 38835, 49191, 57285, 57821, 64725, 81985, 95475, 147573, 173463, 194175, 245955, 286425, 289105, 409925, 520389, 737865, 867315, 1098599, 1229775, 1445525, 2601945, 3295797, 3689325, 4336575, 5492995, 9887391, 13009725, 16478985, 27464975, 49436955, 82394925, 247184775]

約数ペア:

[(1, 247184775), (3, 82394925), (5, 49436955), (9, 27464975), (15, 16478985), (19, 13009725), (25, 9887391), (45, 5492995), (57, 4336575), (67, 3689325), (75, 3295797), (95, 2601945), (171, 1445525), (201, 1229775), (225, 1098599), (285, 867315), (335, 737865), (475, 520389), (603, 409925), (855, 289105), (863, 286425), (1005, 245955), (1273, 194175), (1425, 173463), (1675, 147573), (2589, 95475), (3015, 81985), (3819, 64725), (4275, 57821), (4315, 57285), (5025, 49191), (6365, 38835), (7767, 31825), (11457, 21575), (12945, 19095), (15075, 16397)]