18195525

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 35515584

約数和(自身を除く): 17320059

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 67, 71, 75, 85, 153, 201, 213, 225, 255, 335, 355, 425, 603, 639, 765, 1005, 1065, 1139, 1207, 1275, 1675, 1775, 3015, 3195, 3417, 3621, 3825, 4757, 5025, 5325, 5695, 6035, 10251, 10863, 14271, 15075, 15975, 17085, 18105, 23785, 28475, 30175, 42813, 51255, 54315, 71355, 80869, 85425, 90525, 118925, 214065, 242607, 256275, 271575, 356775, 404345, 727821, 1070325, 1213035, 2021725, 3639105, 6065175, 18195525]

約数ペア:

[(1, 18195525), (3, 6065175), (5, 3639105), (9, 2021725), (15, 1213035), (17, 1070325), (25, 727821), (45, 404345), (51, 356775), (67, 271575), (71, 256275), (75, 242607), (85, 214065), (153, 118925), (201, 90525), (213, 85425), (225, 80869), (255, 71355), (335, 54315), (355, 51255), (425, 42813), (603, 30175), (639, 28475), (765, 23785), (1005, 18105), (1065, 17085), (1139, 15975), (1207, 15075), (1275, 14271), (1675, 10863), (1775, 10251), (3015, 6035), (3195, 5695), (3417, 5325), (3621, 5025), (3825, 4757)]