38997075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 75995136

約数和(自身を除く): 36998061

約数列:

[1, 3, 5, 13, 15, 23, 25, 37, 39, 47, 65, 69, 75, 111, 115, 141, 185, 195, 235, 299, 325, 345, 481, 555, 575, 611, 705, 851, 897, 925, 975, 1081, 1175, 1443, 1495, 1725, 1739, 1833, 2405, 2553, 2775, 3055, 3243, 3525, 4255, 4485, 5217, 5405, 7215, 7475, 8695, 9165, 11063, 12025, 12765, 14053, 15275, 16215, 21275, 22425, 22607, 26085, 27025, 33189, 36075, 39997, 42159, 43475, 45825, 55315, 63825, 67821, 70265, 81075, 113035, 119991, 130425, 165945, 199985, 210795, 276575, 339105, 351325, 519961, 565175, 599955, 829725, 999925, 1053975, 1559883, 1695525, 2599805, 2999775, 7799415, 12999025, 38997075]

約数ペア:

[(1, 38997075), (3, 12999025), (5, 7799415), (13, 2999775), (15, 2599805), (23, 1695525), (25, 1559883), (37, 1053975), (39, 999925), (47, 829725), (65, 599955), (69, 565175), (75, 519961), (111, 351325), (115, 339105), (141, 276575), (185, 210795), (195, 199985), (235, 165945), (299, 130425), (325, 119991), (345, 113035), (481, 81075), (555, 70265), (575, 67821), (611, 63825), (705, 55315), (851, 45825), (897, 43475), (925, 42159), (975, 39997), (1081, 36075), (1175, 33189), (1443, 27025), (1495, 26085), (1725, 22607), (1739, 22425), (1833, 21275), (2405, 16215), (2553, 15275), (2775, 14053), (3055, 12765), (3243, 12025), (3525, 11063), (4255, 9165), (4485, 8695), (5217, 7475), (5405, 7215)]