128953245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 221747328

約数和(自身を除く): 92794083

約数列:

[1, 3, 5, 15, 17, 51, 85, 151, 197, 255, 289, 453, 591, 755, 867, 985, 1445, 2265, 2567, 2955, 3349, 4335, 7701, 10047, 12835, 16745, 29747, 38505, 43639, 50235, 56933, 89241, 130917, 148735, 170799, 218195, 284665, 446205, 505699, 654585, 853995, 1517097, 2528495, 7585485, 8596883, 25790649, 42984415, 128953245]

約数ペア:

[(1, 128953245), (3, 42984415), (5, 25790649), (15, 8596883), (17, 7585485), (51, 2528495), (85, 1517097), (151, 853995), (197, 654585), (255, 505699), (289, 446205), (453, 284665), (591, 218195), (755, 170799), (867, 148735), (985, 130917), (1445, 89241), (2265, 56933), (2567, 50235), (2955, 43639), (3349, 38505), (4335, 29747), (7701, 16745), (10047, 12835)]