205121214705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{461}}^1\times {\mathrm{8147}}^1$

素因数の和:8958

約数の個数: 64

約数和(自身を含む): 359934575616

約数和(自身を除く): 154813360911

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 331, 461, 993, 1383, 1655, 2305, 3641, 4965, 5071, 6915, 8147, 10923, 15213, 18205, 24441, 25355, 40735, 54615, 76065, 89617, 122205, 152591, 268851, 448085, 457773, 762955, 1344255, 1678501, 2288865, 2696657, 3755767, 5035503, 8089971, 8392505, 11267301, 13483285, 18778835, 25177515, 29663227, 40449855, 41313437, 56336505, 88989681, 123940311, 148316135, 206567185, 444948405, 619701555, 1243158877, 3729476631, 6215794385, 13674747647, 18647383155, 41024242941, 68373738235, 205121214705]

約数ペア:

[(1, 205121214705), (3, 68373738235), (5, 41024242941), (11, 18647383155), (15, 13674747647), (33, 6215794385), (55, 3729476631), (165, 1243158877), (331, 619701555), (461, 444948405), (993, 206567185), (1383, 148316135), (1655, 123940311), (2305, 88989681), (3641, 56336505), (4965, 41313437), (5071, 40449855), (6915, 29663227), (8147, 25177515), (10923, 18778835), (15213, 13483285), (18205, 11267301), (24441, 8392505), (25355, 8089971), (40735, 5035503), (54615, 3755767), (76065, 2696657), (89617, 2288865), (122205, 1678501), (152591, 1344255), (268851, 762955), (448085, 457773)]