13538115

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 24755328

約数和(自身を除く): 11217213

約数列:

[1, 3, 5, 9, 15, 37, 45, 47, 111, 141, 173, 185, 235, 333, 423, 519, 555, 705, 865, 1557, 1665, 1739, 2115, 2595, 5217, 6401, 7785, 8131, 8695, 15651, 19203, 24393, 26085, 32005, 40655, 57609, 73179, 78255, 96015, 121965, 288045, 300847, 365895, 902541, 1504235, 2707623, 4512705, 13538115]

約数ペア:

[(1, 13538115), (3, 4512705), (5, 2707623), (9, 1504235), (15, 902541), (37, 365895), (45, 300847), (47, 288045), (111, 121965), (141, 96015), (173, 78255), (185, 73179), (235, 57609), (333, 40655), (423, 32005), (519, 26085), (555, 24393), (705, 19203), (865, 15651), (1557, 8695), (1665, 8131), (1739, 7785), (2115, 6401), (2595, 5217)]