71388525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 138741120

約数和(自身を除く): 67352595

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 59, 65, 73, 75, 85, 177, 195, 219, 221, 255, 295, 325, 365, 425, 663, 767, 885, 949, 975, 1003, 1095, 1105, 1241, 1275, 1475, 1825, 2301, 2847, 3009, 3315, 3723, 3835, 4307, 4425, 4745, 5015, 5475, 5525, 6205, 11505, 12921, 13039, 14235, 15045, 16133, 16575, 18615, 19175, 21535, 23725, 25075, 31025, 39117, 48399, 55991, 57525, 64605, 65195, 71175, 73219, 75225, 80665, 93075, 107675, 167973, 195585, 219657, 241995, 279955, 323025, 325975, 366095, 403325, 839865, 951847, 977925, 1098285, 1209975, 1399775, 1830475, 2855541, 4199325, 4759235, 5491425, 14277705, 23796175, 71388525]

約数ペア:

[(1, 71388525), (3, 23796175), (5, 14277705), (13, 5491425), (15, 4759235), (17, 4199325), (25, 2855541), (39, 1830475), (51, 1399775), (59, 1209975), (65, 1098285), (73, 977925), (75, 951847), (85, 839865), (177, 403325), (195, 366095), (219, 325975), (221, 323025), (255, 279955), (295, 241995), (325, 219657), (365, 195585), (425, 167973), (663, 107675), (767, 93075), (885, 80665), (949, 75225), (975, 73219), (1003, 71175), (1095, 65195), (1105, 64605), (1241, 57525), (1275, 55991), (1475, 48399), (1825, 39117), (2301, 31025), (2847, 25075), (3009, 23725), (3315, 21535), (3723, 19175), (3835, 18615), (4307, 16575), (4425, 16133), (4745, 15045), (5015, 14235), (5475, 13039), (5525, 12921), (6205, 11505)]