201912645

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{42197}}^1$

素因数の和:42245

約数の個数: 32

約数和(自身を含む): 364590720

約数和(自身を除く): 162678075

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4785, 42197, 126591, 210985, 464167, 632955, 1223713, 1392501, 2320835, 3671139, 6118565, 6962505, 13460843, 18355695, 40382529, 67304215, 201912645]

約数ペア:

[(1, 201912645), (3, 67304215), (5, 40382529), (11, 18355695), (15, 13460843), (29, 6962505), (33, 6118565), (55, 3671139), (87, 2320835), (145, 1392501), (165, 1223713), (319, 632955), (435, 464167), (957, 210985), (1595, 126591), (4785, 42197)]