28272075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 50996736

約数和(自身を除く): 22724661

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 107, 195, 271, 321, 325, 535, 813, 975, 1355, 1391, 1605, 2675, 3523, 4065, 4173, 6775, 6955, 8025, 10569, 17615, 20325, 20865, 28997, 34775, 52845, 86991, 88075, 104325, 144985, 264225, 376961, 434955, 724925, 1130883, 1884805, 2174775, 5654415, 9424025, 28272075]

約数ペア:

[(1, 28272075), (3, 9424025), (5, 5654415), (13, 2174775), (15, 1884805), (25, 1130883), (39, 724925), (65, 434955), (75, 376961), (107, 264225), (195, 144985), (271, 104325), (321, 88075), (325, 86991), (535, 52845), (813, 34775), (975, 28997), (1355, 20865), (1391, 20325), (1605, 17615), (2675, 10569), (3523, 8025), (4065, 6955), (4173, 6775)]