28950675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 53829888

約数和(自身を除く): 24879213

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 897, 975, 1291, 1495, 1725, 3873, 4485, 6455, 7475, 16783, 19365, 22425, 29693, 32275, 50349, 83915, 89079, 96825, 148465, 251745, 386009, 419575, 445395, 742325, 1158027, 1258725, 1930045, 2226975, 5790135, 9650225, 28950675]

約数ペア:

[(1, 28950675), (3, 9650225), (5, 5790135), (13, 2226975), (15, 1930045), (23, 1258725), (25, 1158027), (39, 742325), (65, 445395), (69, 419575), (75, 386009), (115, 251745), (195, 148465), (299, 96825), (325, 89079), (345, 83915), (575, 50349), (897, 32275), (975, 29693), (1291, 22425), (1495, 19365), (1725, 16783), (3873, 7475), (4485, 6455)]