81383055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2801}}^1$

素因数の和:2971

約数の個数: 32

約数和(自身を含む): 141220800

約数和(自身を除く): 59837745

約数列:

[1, 3, 5, 13, 15, 39, 65, 149, 195, 447, 745, 1937, 2235, 2801, 5811, 8403, 9685, 14005, 29055, 36413, 42015, 109239, 182065, 417349, 546195, 1252047, 2086745, 5425537, 6260235, 16276611, 27127685, 81383055]

約数ペア:

[(1, 81383055), (3, 27127685), (5, 16276611), (13, 6260235), (15, 5425537), (39, 2086745), (65, 1252047), (149, 546195), (195, 417349), (447, 182065), (745, 109239), (1937, 42015), (2235, 36413), (2801, 29055), (5811, 14005), (8403, 9685)]