71673225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 138741120

約数和(自身を除く): 67067895

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 53, 57, 65, 73, 75, 95, 159, 195, 219, 247, 265, 285, 325, 365, 475, 689, 741, 795, 949, 975, 1007, 1095, 1235, 1325, 1387, 1425, 1825, 2067, 2847, 3021, 3445, 3705, 3869, 3975, 4161, 4745, 5035, 5475, 6175, 6935, 10335, 11607, 13091, 14235, 15105, 17225, 18031, 18525, 19345, 20805, 23725, 25175, 34675, 39273, 50297, 51675, 54093, 58035, 65455, 71175, 73511, 75525, 90155, 96725, 104025, 150891, 196365, 220533, 251485, 270465, 290175, 327275, 367555, 450775, 754455, 955643, 981825, 1102665, 1257425, 1352325, 1837775, 2866929, 3772275, 4778215, 5513325, 14334645, 23891075, 71673225]

約数ペア:

[(1, 71673225), (3, 23891075), (5, 14334645), (13, 5513325), (15, 4778215), (19, 3772275), (25, 2866929), (39, 1837775), (53, 1352325), (57, 1257425), (65, 1102665), (73, 981825), (75, 955643), (95, 754455), (159, 450775), (195, 367555), (219, 327275), (247, 290175), (265, 270465), (285, 251485), (325, 220533), (365, 196365), (475, 150891), (689, 104025), (741, 96725), (795, 90155), (949, 75525), (975, 73511), (1007, 71175), (1095, 65455), (1235, 58035), (1325, 54093), (1387, 51675), (1425, 50297), (1825, 39273), (2067, 34675), (2847, 25175), (3021, 23725), (3445, 20805), (3705, 19345), (3869, 18525), (3975, 18031), (4161, 17225), (4745, 15105), (5035, 14235), (5475, 13091), (6175, 11607), (6935, 10335)]