207647415

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 379048320

約数和(自身を除く): 171400905

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 101, 135, 157, 291, 303, 471, 485, 505, 785, 873, 909, 1413, 1455, 1515, 2355, 2619, 2727, 4239, 4365, 4545, 7065, 9797, 13095, 13635, 15229, 15857, 21195, 29391, 45687, 47571, 48985, 76145, 79285, 88173, 137061, 142713, 146955, 228435, 237855, 264519, 411183, 428139, 440865, 685305, 713565, 1322595, 1538129, 2055915, 2140695, 4614387, 7690645, 13843161, 23071935, 41529483, 69215805, 207647415]

約数ペア:

[(1, 207647415), (3, 69215805), (5, 41529483), (9, 23071935), (15, 13843161), (27, 7690645), (45, 4614387), (97, 2140695), (101, 2055915), (135, 1538129), (157, 1322595), (291, 713565), (303, 685305), (471, 440865), (485, 428139), (505, 411183), (785, 264519), (873, 237855), (909, 228435), (1413, 146955), (1455, 142713), (1515, 137061), (2355, 88173), (2619, 79285), (2727, 76145), (4239, 48985), (4365, 47571), (4545, 45687), (7065, 29391), (9797, 21195), (13095, 15857), (13635, 15229)]