1900405245

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{177691}}^1$

素因数の和:177753

約数の個数: 32

約数和(自身を含む): 3275218944

約数和(自身を除く): 1374813699

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 3565, 10695, 177691, 533073, 888455, 2665365, 4086893, 5508421, 12260679, 16525263, 20434465, 27542105, 61303395, 82626315, 126693683, 380081049, 633468415, 1900405245]

約数ペア:

[(1, 1900405245), (3, 633468415), (5, 380081049), (15, 126693683), (23, 82626315), (31, 61303395), (69, 27542105), (93, 20434465), (115, 16525263), (155, 12260679), (345, 5508421), (465, 4086893), (713, 2665365), (2139, 888455), (3565, 533073), (10695, 177691)]