72206973

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 118497600

約数和(自身を除く): 46290627

約数列:

[1, 3, 9, 17, 19, 51, 57, 59, 153, 171, 177, 323, 421, 531, 969, 1003, 1121, 1263, 2907, 3009, 3363, 3789, 7157, 7999, 9027, 10089, 19057, 21471, 23997, 24839, 57171, 64413, 71991, 74517, 135983, 171513, 223551, 407949, 422263, 471941, 1223847, 1266789, 1415823, 3800367, 4247469, 8022997, 24068991, 72206973]

約数ペア:

[(1, 72206973), (3, 24068991), (9, 8022997), (17, 4247469), (19, 3800367), (51, 1415823), (57, 1266789), (59, 1223847), (153, 471941), (171, 422263), (177, 407949), (323, 223551), (421, 171513), (531, 135983), (969, 74517), (1003, 71991), (1121, 64413), (1263, 57171), (2907, 24839), (3009, 23997), (3363, 21471), (3789, 19057), (7157, 10089), (7999, 9027)]