639600195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{41519}}^1$

素因数の和:41619

約数の個数: 32

約数和(自身を含む): 1116057600

約数和(自身を除く): 476457405

約数列:

[1, 3, 5, 13, 15, 39, 65, 79, 195, 237, 395, 1027, 1185, 3081, 5135, 15405, 41519, 124557, 207595, 539747, 622785, 1619241, 2698735, 3280001, 8096205, 9840003, 16400005, 42640013, 49200015, 127920039, 213200065, 639600195]

約数ペア:

[(1, 639600195), (3, 213200065), (5, 127920039), (13, 49200015), (15, 42640013), (39, 16400005), (65, 9840003), (79, 8096205), (195, 3280001), (237, 2698735), (395, 1619241), (1027, 622785), (1185, 539747), (3081, 207595), (5135, 124557), (15405, 41519)]