20131950375

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1021}}^1\times {\mathrm{1031}}^1$

素因数の和:2090

約数の個数: 96

約数和(自身を含む): 38500914816

約数和(自身を除く): 18368964441

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1021, 1031, 1125, 1275, 2125, 3063, 3093, 3825, 5105, 5155, 6375, 9189, 9279, 15315, 15465, 17357, 17527, 19125, 25525, 25775, 45945, 46395, 52071, 52581, 76575, 77325, 86785, 87635, 127625, 128875, 156213, 157743, 229725, 231975, 260355, 262905, 382875, 386625, 433925, 438175, 781065, 788715, 1052651, 1148625, 1159875, 1301775, 1314525, 2169625, 2190875, 3157953, 3905325, 3943575, 5263255, 6508875, 6572625, 9473859, 15789765, 17895067, 19526625, 19717875, 26316275, 47369295, 53685201, 78948825, 89475335, 131581375, 161055603, 236846475, 268426005, 394744125, 447376675, 805278015, 1184232375, 1342130025, 2236883375, 4026390075, 6710650125, 20131950375]

約数ペア:

[(1, 20131950375), (3, 6710650125), (5, 4026390075), (9, 2236883375), (15, 1342130025), (17, 1184232375), (25, 805278015), (45, 447376675), (51, 394744125), (75, 268426005), (85, 236846475), (125, 161055603), (153, 131581375), (225, 89475335), (255, 78948825), (375, 53685201), (425, 47369295), (765, 26316275), (1021, 19717875), (1031, 19526625), (1125, 17895067), (1275, 15789765), (2125, 9473859), (3063, 6572625), (3093, 6508875), (3825, 5263255), (5105, 3943575), (5155, 3905325), (6375, 3157953), (9189, 2190875), (9279, 2169625), (15315, 1314525), (15465, 1301775), (17357, 1159875), (17527, 1148625), (19125, 1052651), (25525, 788715), (25775, 781065), (45945, 438175), (46395, 433925), (52071, 386625), (52581, 382875), (76575, 262905), (77325, 260355), (86785, 231975), (87635, 229725), (127625, 157743), (128875, 156213)]