205871145

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{12791}}^1$

素因数の和:12865

約数の個数: 32

約数和(自身を含む): 349989120

約数和(自身を除く): 144117975

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 3219, 5365, 12791, 16095, 38373, 63955, 191865, 370939, 473267, 1112817, 1419801, 1854695, 2366335, 5564085, 7099005, 13724743, 41174229, 68623715, 205871145]

約数ペア:

[(1, 205871145), (3, 68623715), (5, 41174229), (15, 13724743), (29, 7099005), (37, 5564085), (87, 2366335), (111, 1854695), (145, 1419801), (185, 1112817), (435, 473267), (555, 370939), (1073, 191865), (3219, 63955), (5365, 38373), (12791, 16095)]