39965895

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 74299680

約数和(自身を除く): 34333785

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 89, 153, 255, 267, 445, 587, 765, 801, 1335, 1513, 1761, 2935, 4005, 4539, 5283, 7565, 8805, 9979, 13617, 22695, 26415, 29937, 49895, 52243, 68085, 89811, 149685, 156729, 261215, 449055, 470187, 783645, 888131, 2350935, 2664393, 4440655, 7993179, 13321965, 39965895]

約数ペア:

[(1, 39965895), (3, 13321965), (5, 7993179), (9, 4440655), (15, 2664393), (17, 2350935), (45, 888131), (51, 783645), (85, 470187), (89, 449055), (153, 261215), (255, 156729), (267, 149685), (445, 89811), (587, 68085), (765, 52243), (801, 49895), (1335, 29937), (1513, 26415), (1761, 22695), (2935, 13617), (4005, 9979), (4539, 8805), (5283, 7565)]