72439725

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 123545664

約数和(自身を除く): 51105939

約数列:

[1, 3, 5, 15, 25, 73, 75, 101, 131, 219, 303, 365, 393, 505, 655, 1095, 1515, 1825, 1965, 2525, 3275, 5475, 7373, 7575, 9563, 9825, 13231, 22119, 28689, 36865, 39693, 47815, 66155, 110595, 143445, 184325, 198465, 239075, 330775, 552975, 717225, 965863, 992325, 2897589, 4829315, 14487945, 24146575, 72439725]

約数ペア:

[(1, 72439725), (3, 24146575), (5, 14487945), (15, 4829315), (25, 2897589), (73, 992325), (75, 965863), (101, 717225), (131, 552975), (219, 330775), (303, 239075), (365, 198465), (393, 184325), (505, 143445), (655, 110595), (1095, 66155), (1515, 47815), (1825, 39693), (1965, 36865), (2525, 28689), (3275, 22119), (5475, 13231), (7373, 9825), (7575, 9563)]