201972525

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 343007808

約数和(自身を除く): 141035283

約数列:

[1, 3, 5, 15, 25, 61, 75, 131, 183, 305, 337, 393, 655, 915, 1011, 1525, 1685, 1965, 3275, 4575, 5055, 7991, 8425, 9825, 20557, 23973, 25275, 39955, 44147, 61671, 102785, 119865, 132441, 199775, 220735, 308355, 513925, 599325, 662205, 1103675, 1541775, 2692967, 3311025, 8078901, 13464835, 40394505, 67324175, 201972525]

約数ペア:

[(1, 201972525), (3, 67324175), (5, 40394505), (15, 13464835), (25, 8078901), (61, 3311025), (75, 2692967), (131, 1541775), (183, 1103675), (305, 662205), (337, 599325), (393, 513925), (655, 308355), (915, 220735), (1011, 199775), (1525, 132441), (1685, 119865), (1965, 102785), (3275, 61671), (4575, 44147), (5055, 39955), (7991, 25275), (8425, 23973), (9825, 20557)]