81057996

素因数分解:

$2^2\times 3^5\times {\mathrm{89}}^1\times {\mathrm{937}}^1$

素因数の和:1045

約数の個数: 72

約数和(自身を含む): 215102160

約数和(自身を除く): 134044164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 89, 108, 162, 178, 243, 267, 324, 356, 486, 534, 801, 937, 972, 1068, 1602, 1874, 2403, 2811, 3204, 3748, 4806, 5622, 7209, 8433, 9612, 11244, 14418, 16866, 21627, 25299, 28836, 33732, 43254, 50598, 75897, 83393, 86508, 101196, 151794, 166786, 227691, 250179, 303588, 333572, 455382, 500358, 750537, 910764, 1000716, 1501074, 2251611, 3002148, 4503222, 6754833, 9006444, 13509666, 20264499, 27019332, 40528998, 81057996]

約数ペア:

[(1, 81057996), (2, 40528998), (3, 27019332), (4, 20264499), (6, 13509666), (9, 9006444), (12, 6754833), (18, 4503222), (27, 3002148), (36, 2251611), (54, 1501074), (81, 1000716), (89, 910764), (108, 750537), (162, 500358), (178, 455382), (243, 333572), (267, 303588), (324, 250179), (356, 227691), (486, 166786), (534, 151794), (801, 101196), (937, 86508), (972, 83393), (1068, 75897), (1602, 50598), (1874, 43254), (2403, 33732), (2811, 28836), (3204, 25299), (3748, 21627), (4806, 16866), (5622, 14418), (7209, 11244), (8433, 9612)]