51355665

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 97830720

約数和(自身を除く): 46475055

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 59, 69, 87, 115, 145, 177, 207, 261, 295, 345, 435, 531, 667, 841, 885, 1035, 1305, 1357, 1711, 2001, 2523, 2655, 3335, 4071, 4205, 5133, 6003, 6785, 7569, 8555, 10005, 12213, 12615, 15399, 19343, 20355, 25665, 30015, 37845, 39353, 49619, 58029, 61065, 76995, 96715, 118059, 148857, 174087, 196765, 248095, 290145, 354177, 446571, 590295, 744285, 870435, 1141237, 1770885, 2232855, 3423711, 5706185, 10271133, 17118555, 51355665]

約数ペア:

[(1, 51355665), (3, 17118555), (5, 10271133), (9, 5706185), (15, 3423711), (23, 2232855), (29, 1770885), (45, 1141237), (59, 870435), (69, 744285), (87, 590295), (115, 446571), (145, 354177), (177, 290145), (207, 248095), (261, 196765), (295, 174087), (345, 148857), (435, 118059), (531, 96715), (667, 76995), (841, 61065), (885, 58029), (1035, 49619), (1305, 39353), (1357, 37845), (1711, 30015), (2001, 25665), (2523, 20355), (2655, 19343), (3335, 15399), (4071, 12615), (4205, 12213), (5133, 10005), (6003, 8555), (6785, 7569)]