201247245

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 356756400

約数和(自身を除く): 155509155

約数列:

[1, 3, 5, 9, 15, 45, 89, 109, 267, 327, 445, 461, 545, 801, 981, 1335, 1383, 1635, 2305, 4005, 4149, 4905, 6915, 9701, 20745, 29103, 41029, 48505, 50249, 87309, 123087, 145515, 150747, 205145, 251245, 369261, 436545, 452241, 615435, 753735, 1846305, 2261205, 4472161, 13416483, 22360805, 40249449, 67082415, 201247245]

約数ペア:

[(1, 201247245), (3, 67082415), (5, 40249449), (9, 22360805), (15, 13416483), (45, 4472161), (89, 2261205), (109, 1846305), (267, 753735), (327, 615435), (445, 452241), (461, 436545), (545, 369261), (801, 251245), (981, 205145), (1335, 150747), (1383, 145515), (1635, 123087), (2305, 87309), (4005, 50249), (4149, 48505), (4905, 41029), (6915, 29103), (9701, 20745)]