17740215

素因数分解:

$3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 56

約数和(自身を含む): 33157248

約数和(自身を除く): 15417033

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 157, 243, 279, 405, 465, 471, 729, 785, 837, 1215, 1395, 1413, 2355, 2511, 3645, 4185, 4239, 4867, 7065, 7533, 12555, 12717, 14601, 21195, 22599, 24335, 37665, 38151, 43803, 63585, 73005, 112995, 114453, 131409, 190755, 219015, 394227, 572265, 657045, 1182681, 1971135, 3548043, 5913405, 17740215]

約数ペア:

[(1, 17740215), (3, 5913405), (5, 3548043), (9, 1971135), (15, 1182681), (27, 657045), (31, 572265), (45, 394227), (81, 219015), (93, 190755), (135, 131409), (155, 114453), (157, 112995), (243, 73005), (279, 63585), (405, 43803), (465, 38151), (471, 37665), (729, 24335), (785, 22599), (837, 21195), (1215, 14601), (1395, 12717), (1413, 12555), (2355, 7533), (2511, 7065), (3645, 4867), (4185, 4239)]