155852325

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 291149768

約数和(自身を除く): 135297443

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 97, 111, 185, 193, 225, 291, 333, 485, 555, 579, 873, 925, 965, 1455, 1665, 1737, 2425, 2775, 2895, 3589, 4365, 4825, 7141, 7275, 8325, 8685, 10767, 14475, 17945, 18721, 21423, 21825, 32301, 35705, 43425, 53835, 56163, 64269, 89725, 93605, 107115, 161505, 168489, 178525, 269175, 280815, 321345, 468025, 535575, 692677, 807525, 842445, 1404075, 1606725, 2078031, 3463385, 4212225, 6234093, 10390155, 17316925, 31170465, 51950775, 155852325]

約数ペア:

[(1, 155852325), (3, 51950775), (5, 31170465), (9, 17316925), (15, 10390155), (25, 6234093), (37, 4212225), (45, 3463385), (75, 2078031), (97, 1606725), (111, 1404075), (185, 842445), (193, 807525), (225, 692677), (291, 535575), (333, 468025), (485, 321345), (555, 280815), (579, 269175), (873, 178525), (925, 168489), (965, 161505), (1455, 107115), (1665, 93605), (1737, 89725), (2425, 64269), (2775, 56163), (2895, 53835), (3589, 43425), (4365, 35705), (4825, 32301), (7141, 21825), (7275, 21423), (8325, 18721), (8685, 17945), (10767, 14475)]