81738045

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6803}}^1$

素因数の和:6906

約数の個数: 32

約数和(自身を含む): 146966400

約数和(自身を除く): 65228355

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 2403, 4005, 6803, 12015, 20409, 34015, 61227, 102045, 183681, 306135, 605467, 918405, 1816401, 3027335, 5449203, 9082005, 16347609, 27246015, 81738045]

約数ペア:

[(1, 81738045), (3, 27246015), (5, 16347609), (9, 9082005), (15, 5449203), (27, 3027335), (45, 1816401), (89, 918405), (135, 605467), (267, 306135), (445, 183681), (801, 102045), (1335, 61227), (2403, 34015), (4005, 20409), (6803, 12015)]